MS SQL Server :: Error ID 18456 SBS2003 With SQL2005

Sql2005 Database Restore From Another Sql2005 Backup File Error.

Dec 15, 2005

hi

i try to restore a bak file from another sql2005 server to my sql2005 server, but it show the error message as below :

TITLE: Microsoft SQL Server Management Studio Express
------------------------------

An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.Express.ConnectionInfo)

------------------------------
ADDITIONAL INFORMATION:

Cannot open backup device 'C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLBackupackup.bak'. Operating system error 5(error not found).
RESTORE HEADERONLY is terminating abnormally. (Microsoft SQL Server, Error: 3201)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=09.00.1399&EvtSrc=MSSQLServer&EvtID=3201&LinkId=20476

------------------------------
BUTTONS:

OK
------------------------------

pls some one can help me ???

thanks

chaus

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Native Error 18456 !!!! Help!!!!

Feb 22, 2008

Hi all,

Ms SQL Server Native Error 18456 !! Login Failed.

Pls help me out.

Thanx in Advance

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Sql Server Error 18456

Oct 28, 2004

We are facing the error 18456 since we have changed our O.S from Windows 2000 to XP .When we try to check the ODBC connection it works with 2000 but with xp we still hve this error .Some people advise me to check the security options but I dit not find any that could explain this problem.

The user has the administrator rights.

Any help will be appreciated

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18456 Error With State 38

Jul 31, 2015

Login failed for user ''. Reason: Failed to open the explicitly specified database. [CLIENT:xx.xx.xx.xx]

No missing database & having sysadmin permission.

why this error coming?

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Error 18456 State 5

Nov 23, 2007

Hi. I have read a lot of info for this problem but I didn't succeed to find error with state 5.
I have this message in my logs:

Code Block
11/23/2007 16:41:53,Logon,Unknown,Login failed for user 'Administrator'. [CLIENT: 127.0.0.1]
11/23/2007 16:41:53,Logon,Unknown,Error: 18456<c/> Severity: 14<c/> State: 5.

One of my programm tried to establish connection with MS SQL 2005. Login: Administrator. Pleas help!!!

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Error: 18456, Severity

May 16, 2008

I am not sure if th is is the right place to post this error but I am at my wits end on how resolve this problem
My even viewer and log is logging this every min. This is happening on my MOSS 2007 production database server.
I have been loooking on line and have not been able to find a concrete answer has anyone run into this problem and can you point me in the righ direction. Machine is Sql Server Standard win2003 Server service pack2

2008-05-14 19:46:00.66 Logon Login failed for user 'Domainuseraccount'. [CLIENT: <local machine>]
2008-05-14 19:47:00.66 Logon Error: 18456, Severity: 14, State: 16.

Thanks in advance for any assistance

Neil Palmer

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Cannot Connect. Error 18456.

Dec 7, 2007

I finally got SQL Server 2005 installed on my Vista Ultimate computer and now I can't connect in SQL Server Management Studio.

I've got a named instance; use the built-in system account; windows authentication mode. I try to connect to

Server type: Database Engine
Server name: RAYWOERNER-PCRAYWOERNER
Authentication: Windows Authentication

and it fails. Please help.

Thanks,

Ray

Here are the technical details:

===================================
Cannot connect to RAYWOERNER-PCRAYWOERNER.
===================================
Login failed for user 'RayWoerner-PCRay'. (.Net SqlClient Data Provider)
------------------------------
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=18456&LinkId=20476
------------------------------
Server Name: RAYWOERNER-PCRAYWOERNER
Error Number: 18456
Severity: 14
State: 1
Line Number: 65536

------------------------------
Program Location:
at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
at System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK)
at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject)
at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart)
at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance)
at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance)
at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection)
at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup)
at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.SqlClient.SqlConnection.Open()
at Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.ObjectExplorer.ValidateConnection(UIConnectionInfo ci, IServerType server)
at Microsoft.SqlServer.Management.UI.ConnectionDlg.Connector.ConnectionThreadUser()

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Error 18456 State 6

Jul 3, 2007

Hi,

I am trying to connect to a remote SQL server via Management Studio. I am using the windows credentials I use to log into the computer but when I enter the same domainusername and password I get error 18456. I check the logs and see it is a state 6 error. After checking http://blogs.msdn.com/sql_protocols/archive/2006/02/21/536201.aspx I see that means
Attempt to use a Windows login name with SQL Authentication

Is it possible for me to access a SQL server remotely?

Thanks

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Setting Up Replication Gives Error 18456 - Please Help

Feb 29, 2000

I am using the Configure Publishing and Distribution Wizard in the SQL Server Enterprise Manager to configure a server as a Distribution and Publishing server. The security configuration on the server in question for authentication is SQL Server and Windows NT.

When I get to the first page in the wizard I select that I want to use the server as the Distributor. The other option is to use another server for the Distribution server - and this isn't what I want to do. The next page presents the option to use the default settings to configure the distribution databases or to configure the setup. If I select the default options I get the following error message when the arrow is pointing to Configuring Distributor:

----------------------------------------------
SQL Server Enterprise Manager could not configure 'SERVER1' as the Distributor for

'SERVER1'.

Error 18456: Login failed for user 'sa'.
Remote logins for remote server 'repl_distributor' have been dropped.
Server dropped.
Server added.
Server network name set.

----------------------------------------------

Something I have tried to change in order to fix this issue is the 'Replication agents on the Distributor log into the Publisher:' option from its default (By impersontating the SQL Agent account on 'SERVER1' (trusted connection)) to 'Using SQL Server Authentication of this account:', and in those fields I have put in 'sa' (which is a valid admin account to the SQL server) and the correct password.

In all cases I get the message above. Can anyone help me to see what I am doing wrong?

Thanks for your time,
Eric Gross

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Help Needed On SQLServer , Error 18456

Mar 1, 2004

Hi All,

I have tried accessing a remote database in one of by stored procs using linked servers and also using OpenDataSource method.
In both the cases , I am getting login failed error.

Following is the stored proc :

CREATE PROCEDURE TEST AS

SELECT *
FROM OPENDATASOURCE(
'SQLOLEDB',
'Data Source=blrkec3432s;User ID=xyz;Password=xyz').LMC.dbo.STATE
GO

It works fine if the userid is 'sa'

Could anyone please tell me the reason for this.

Thanks,
Shanthi

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Microsoft SQL Server, Error: 18456

Nov 22, 2007

Hai,
I'm using SQL Server 2005 Standard Edition in my windows XP SP2 machine. I have only 1 server to which my 4 client machines are connected. Whenever I'm connecting to my SSMS using my domain account I get an error message indicating ' Login failed for user 'domain nameaccount name'.(Microsoft SQL Server, Error: 18456).I have tried with Microsoft's KB Article ID: 889646 and all other kind of stuffs. It's not helping me to sort out this problem. Could anyone help me outta here.

Narayanamoorthy

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Error: 18456, Severity: 14, State: 11.

Apr 4, 2008

This error has come up time and again and I can't seem to find a solution.

Specs: SQL Server 2005 v9.00.3054 on x64, Windows Server 2003 SP2

The user is a member of an active directory group. When he connects from his workstation via Management Stuidio, the error is:

Login failed for user '<domain><user>'. [CLIENT: xx.xx.xx.xxx]

I've dropped and re-created the login for the group, but to no avail. I've tried

SELECT * FROM sys.server_principals
and I get a valid entry
<domain>/<user> 81 0x0105... G WINDOWS_GROUP 0 2008-04-04 13:05:00.667 2008-04-04 13:05:00.673 <dbname> us_english NULL

I've verified that the user is a db_owner in the database and that this database is the default for the group.

I also tried
SELECT endpnt.name,

suser_name(perms.grantee_principal_id) as grantee_principal,

perms.permission_name, perms.state_desc

FROM

sys.server_permissions perms,

sys.endpoints endpnt

WHERE

suser_name(perms.grantee_principal_id) = '<domain><user>''

and get
Dedicated Admin Connection <domain><user> CONNECT SQL GRANT
TSQL Local Machine <domain><user> CONNECT SQL GRANT
TSQL Named Pipes <domain><user> CONNECT SQL GRANT
TSQL Default TCP <domain><user> CONNECT SQL GRANT
TSQL Default VIA <domain><user> CONNECT SQL GRANT

Any ideas? Thanks in advance

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Connection Failed: 18456 Error

Oct 5, 2006

When one of my users creates an ODBC connection to a SQL database using Windows authentication, he gets this error:

Connection failed: SQLState: '28000' SQL Server Error: 18456
[Microsoft][ODBC SQL Server Driver][SQL Server]Login failed for user
'Domainusername'

The thing is, the 'Domainusername' is not his username and I have no idea where or why it is trying to use that username.

Ideas?

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Error: 18456, Severity: 14, State: 12.

Apr 3, 2007

I am running SQL Server 2005 x64 SP2 and have problem connecting to database with the SQL logins I created. I test the database login using Microsoft ODBC Administrator to connect the the database locally, only 'sa' can login. All other sql logins I created fails and returns this message:

---------------------------
Microsoft SQL Server Login
---------------------------
Connection failed:
SQLState: '28000'
SQL Server Error: 18456
[Microsoft][ODBC SQL Server Driver][SQL Server]Login failed for user 'doteasylogin'.

---------------------------
OK
---------------------------

In the SQL Logs, it shows: Error: 18456, Severity: 14, State: 12.

The SQL Services is running as 'Local System'.

Can anyone help please?

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Error: 18456 Severity: 14, State: 10

Jul 13, 2006

I have SQL 2005 Expess installed on Windows Server 2003 SP1.

My application is running as a service and is set to depend on SQL Server instance...
During the startup my app attempts to connect to the databes and it fails to do so,
after 30 retries (1second appart). SQL Server log has this error msg:
Error: 18456 "Severity: 14, State: 10"

Once the server has started, I cam manually start my application and it then sucesfully
opens a connection to the database.

What does this error mean?

Srdjan

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Error: 18456, Severity: 14, State: 11.

Sep 13, 2006

i am new to sql server 2005 express. I am trying to set up xp embedded database. I am trying to allow remote access to a central xp embedded database. i have the database on the sql server machine.

i am using the component database manager toll on a remote machine so that i can connect to the remote xp embedded database. when i try to connect to the db through sql server i get the following error in the log file.

2006-09-12 17:15:10.18 Logon Error: 18456, Severity: 14, State: 11.
2006-09-12 17:15:10.18 Logon Login failed for user 'HOSTNAMEGuest'. [CLIENT: XX.XX.XX.XX]

where HOSTNAME is the hostname of the pc that sql server 2005 is running.

XX.XX.XX.XX is the ip address of the client which is running component database manager tool.

what am i doing wrong here.

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SQL Server 18456 Error State 16

Mar 25, 2008

hello all

Since some days, i have this problem : i changed RTCcomponentService password, and now, when the SQL Server RTC service start (correctly, with network service), i have this log error message :
Login failed for user 'CGAUPARTCComponentService'. [CLIENT: <named pipe>]
ErrorReportingManager: Error raised, major=184, minor=56, severity=14, attempting to create sym

so, the service run with network (nt authority) correctly, but i have this error message.
I think that the sql server database connect with rtccomponentservice old password.
How I can change the password on this connection ? or what is de default password for RTCcomponentService ?

THanks

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Error: 18456 Severity:14 State:11

May 19, 2008

guys,

i am using sql server 2005 enterprise edition and started receiving the following error messages logged

Login failed for user 'NT AUTHORITYANONYMOUS LOGIN' [client: x.x.x.x]
error: 18456 severity:14 state:11

as well as

Login failed for user "DOMAINUser" [client: x.x.x.x]
error: 18456 severity:14 state:16

has anyone come across these issues before ??

thanks in advance

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Error: 18456, Severity: 14, State: 16.

Dec 21, 2006

I am getting the error

Error: 18456, Severity: 14, State: 16.
Login failed for user 'PRIsqlservice'. [CLIENT: 172.16.9.2]

in the log repeated every 15 seconds or so. I am logged into the server as prisqlservice, I have started the sql server and sql server agent with prisqlservice and I can access databases and tables inside the Server Management studio. I have set up the login prisqlservice and given it dbo owner access to all databases.

I am in the process of upgrading from 2000 to 2005. I have installed a new sql server 2005, restored backups of databases from 2000. I have also converted all packages and uploaded those to the new server (although they all point to the 2000 server). I have imported the jobs, but all but one are disabled and the one that is enabled ran okay when I ran it manually.

I have researched and researched this issue, and none seem to apply to my specific issue.

This is an extract of my errorlog:

2006-12-20 16:23:16.95 Server Microsoft SQL Server 2005 - 9.00.1399.06 (Intel X86)
Oct 14 2005 00:33:37
Copyright (c) 1988-2005 Microsoft Corporation
Standard Edition on Windows NT 5.2 (Build 3790: Service Pack 1)

2006-12-20 16:23:16.98 Server (c) 2005 Microsoft Corporation.
2006-12-20 16:23:16.98 Server All rights reserved.
2006-12-20 16:23:16.98 Server Server process ID is 1780.
2006-12-20 16:23:16.98 Server Logging SQL Server messages in file 'C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLLOGERRORLOG'.
2006-12-20 16:23:16.98 Server This instance of SQL Server last reported using a process ID of 4532 at 12/20/2006 4:23:52 PM (local) 12/20/2006 9:23:52 PM (UTC). This is an informational message only; no user action is required.
2006-12-20 16:23:16.98 Server Registry startup parameters:
2006-12-20 16:23:17.00 Server -d C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDATAmaster.mdf
2006-12-20 16:23:17.00 Server -e C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLLOGERRORLOG
2006-12-20 16:23:17.00 Server -l C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDATAmastlog.ldf
2006-12-20 16:23:17.23 Server SQL Server is starting at normal priority base (=7). This is an informational message only. No user action is required.
2006-12-20 16:23:17.23 Server Detected 2 CPUs. This is an informational message; no user action is required.
2006-12-20 16:23:17.93 Server Set AWE Enabled to 1 in the configuration parameters to allow use of more memory.
2006-12-20 16:23:19.65 Server Using dynamic lock allocation. Initial allocation of 2500 Lock blocks and 5000 Lock Owner blocks per node. This is an informational message only. No user action is required.
2006-12-20 16:23:22.07 Server Attempting to initialize Microsoft Distributed Transaction Coordinator (MS DTC). This is an informational message only. No user action is required.
2006-12-20 16:23:23.21 Server Attempting to recover in-doubt distributed transactions involving Microsoft Distributed Transaction Coordinator (MS DTC). This is an informational message only. No user action is required.
2006-12-20 16:23:23.48 Server Database Mirroring Transport is disabled in the endpoint configuration.
2006-12-20 16:23:23.79 spid5s Starting up database 'master'.
2006-12-20 16:23:25.01 spid5s Recovery is writing a checkpoint in database 'master' (1). This is an informational message only. No user action is required.
2006-12-20 16:23:26.17 spid5s SQL Trace ID 1 was started by login "sa".
2006-12-20 16:23:26.37 spid5s Starting up database 'mssqlsystemresource'.
2006-12-20 16:23:27.93 spid9s Starting up database 'model'.
2006-12-20 16:23:27.95 spid5s Server name is 'KSDBT01'. This is an informational message only. No user action is required.
2006-12-20 16:23:29.06 spid9s Clearing tempdb database.
2006-12-20 16:23:29.54 Server A self-generated certificate was successfully loaded for encryption.
2006-12-20 16:23:29.62 Server Server is listening on [ 'any' <ipv4> 1433].
2006-12-20 16:23:29.62 Server Server local connection provider is ready to accept connection on [ \.pipeSQLLocalMSSQLSERVER ].
2006-12-20 16:23:29.62 Server Server local connection provider is ready to accept connection on [ \.pipesqlquery ].
2006-12-20 16:23:29.64 Server Server is listening on [ 127.0.0.1 <ipv4> 1434].
2006-12-20 16:23:29.64 Server Dedicated admin connection support was established for listening locally on port 1434.
2006-12-20 16:23:29.68 Server SQL Server is now ready for client connections. This is an informational message; no user action is required.
2006-12-20 16:23:32.56 spid9s Starting up database 'tempdb'.
2006-12-20 16:23:32.67 spid13s Starting up database 'msdb'.
2006-12-20 16:23:32.67 spid12s Starting up database 'test'.
2006-12-20 16:23:32.67 spid14s Starting up database 'bravoAztecnology'.
2006-12-20 16:23:32.67 spid15s Starting up database 'bravoKNE'.
2006-12-20 16:23:32.67 spid16s Starting up database 'bravoKNS'.
2006-12-20 16:23:32.67 spid17s Starting up database 'bravoKNSBelgium'.
2006-12-20 16:23:32.68 spid18s Starting up database 'bravoKNSCanada'.
2006-12-20 16:23:32.68 spid19s Starting up database 'bravoKNSEngland'.
2006-12-20 16:23:34.79 spid20s The Service Broker protocol transport is disabled or not configured.
2006-12-20 16:23:34.81 spid20s The Database Mirroring protocol transport is disabled or not configured.
2006-12-20 16:23:35.01 spid12s Starting up database 'bravoKNSKennedy'.
2006-12-20 16:23:35.20 spid17s Starting up database 'bravoKNSSuperior'.
2006-12-20 16:23:35.35 spid13s Starting up database 'bravoKNSSuperiorSS'.
2006-12-20 16:23:35.48 spid19s Starting up database 'stamp'.
2006-12-20 16:23:35.83 spid20s Service Broker manager has started.
2006-12-20 16:23:38.59 spid14s Starting up database 'KNSSpecial'.
2006-12-20 16:23:39.31 spid18s Starting up database 'knsRPCS'.
2006-12-20 16:23:39.39 spid14s Analysis of database 'KNSSpecial' (16) is 100% complete (approximately 0 seconds remain). This is an informational message only. No user action is required.
2006-12-20 16:23:43.03 spid5s Recovery of any in-doubt distributed transactions involving Microsoft Distributed Transaction Coordinator (MS DTC) has completed. This is an informational message only. No user action is required.
2006-12-20 16:23:43.03 spid5s Recovery is complete. This is an informational message only. No user action is required.
2006-12-20 16:23:50.95 spid51 Using 'xpsqlbot.dll' version '2005.90.1399' to execute extended stored procedure 'xp_qv'. This is an informational message only; no user action is required.
2006-12-20 16:23:55.85 spid51 Using 'xpstar90.dll' version '2005.90.1399' to execute extended stored procedure 'xp_instance_regread'. This is an informational message only; no user action is required.
2006-12-20 16:23:57.10 spid51 Using 'xplog70.dll' version '2005.90.1399' to execute extended stored procedure 'xp_msver'. This is an informational message only; no user action is required.
2006-12-20 16:24:00.02 Logon Error: 18456, Severity: 14, State: 16.
2006-12-20 16:24:00.02 Logon Login failed for user 'PRIsqlservice'. [CLIENT: 172.16.9.2]
2006-12-20 16:24:00.06 Logon Error: 18456, Severity: 14, State: 16.
2006-12-20 16:24:00.06 Logon Login failed for user 'PRIsqlservice'. [CLIENT: 172.16.9.2]
2006-12-20 16:24:01.06 Logon Error: 18456, Severity: 14, State: 16.
2006-12-20 16:24:01.06 Logon Login failed for user 'PRIsqlservice'. [CLIENT: 172.16.9.2]
2006-12-20 16:24:01.07 Logon Error: 18456, Severity: 14, State: 16.
2006-12-20 16:24:01.07 Logon Login failed for user 'PRIsqlservice'. [CLIENT: 172.16.9.2]
2006-12-20 16:24:03.84 Logon Error: 18456, Severity: 14, State: 16.
2006-12-20 16:24:03.84 Logon Login failed for user 'PRIsqlservice'. [CLIENT: 172.16.9.2]
2006-12-20 16:24:03.85 Logon Error: 18456, Severity: 14, State: 16.
2006-12-20 16:24:03.85 Logon Login failed for user 'PRIsqlservice'. [CLIENT: 172.16.9.2]
2006-12-20 16:24:03.96 Logon Error: 18456, Severity: 14, State: 16.
2006-12-20 16:24:03.96 Logon Login failed for user 'PRIsqlservice'. [CLIENT: 172.16.9.2]
2006-12-20 16:24:03.98 Logon Error: 18456, Severity: 14, State: 16.
2006-12-20 16:24:03.98 Logon Login failed for user 'PRIsqlservice'. [CLIENT: 172.16.9.2]
2006-12-20 16:24:41.41 Logon Error: 18456, Severity: 14, State: 16.
2006-12-20 16:24:41.41 Logon Login failed for user 'PRIsqlservice'. [CLIENT: 172.16.9.2]
2006-12-20 16:24:41.41 Logon Error: 18456, Severity: 14, State: 16.
2006-12-20 16:24:41.41 Logon Login failed for user 'PRIsqlservice'. [CLIENT: 172.16.9.2]

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Error: 18456, Severity: 14, State: 11

Mar 31, 2008

Hi,

I am running SQL Server 2005 SP2 on Windows Server 2003.

I am continously geting below error.Please tell me how to avoid this error.and How I can supress this error popping into error logs?

Date 3/31/2008 8:46:58 AM
Log SQL Server (Current - 3/31/2008 8:48:00 AM)

Source Logon

Message
Error: 18456, Severity: 14, State: 11.

Login failed for user 'NT AUTHORITYANONYMOUS LOGON'. [CLIENT: xx.xx.xx.xx]

I am not using any linked server or replication.I have Sharepoint services connecting to this database.I want to learn step to troubleshoot this error.I have gone through many link during search but not found anything relevant.

Can you please suggest me troubleshooting steps so I can narrow down this problem and solve it.

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Microsoft SQL Server, Error: 18456

Nov 22, 2007

Hai,
I'm using SQL Server 2005 Standard Edition in my windows XP SP2 machine. I have only 1 server to which my 4 client machines are connected. Whenever I'm connecting to my SSMS using my domain account I get an error message indicating ' Login failed for user 'domain name account name '. (Microsoft SQL Server, Error: 18456). I have tried with Microsoft's KB Article ID: 889646 and all other kind of stuffs. It's not helping me to sort out this problem. Could anyone help me outta here.

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Lsass.exe High Cpu, Error 18456

Oct 25, 2006

We just migrated to a new sql server with SQL Server 2005 installed (we moved from 2000).

We are experiencing two issues that we cannot resolve:

1. The site and database clients that use this SQL Server run very slow now. We have noticed that the lsass.exe process consistantly uses 25% CPU, +/- 10%. When we stop SQL server the lsass.exe process goes down to 0. What can be causing this? The website uses a SQL user account, not a windows user account.

2. We have an error in the event log that might be related to the issue above. It appears every few minutes:

Event Type: Failure Audit
Event Source: MSSQLSERVER
Event Category: (4)
Event ID: 18456
Date: 10/25/2006
Time: 11:54:42 AM
User: NT AUTHORITYSYSTEM
Computer: MSDB
Description:
Login failed for user 'NT AUTHORITYSYSTEM'. [CLIENT: <local machine>]

The error log from SQL gives more info:

Error: 18456, Severity: 14, State: 16.

What is causing this? How can this be traced?

I am stuck here. All help greatly appreciated.

Moshe

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Error: 18456 Severity: 14, State: 11

Aug 4, 2006

I have a SQL 2005 SP1 test server running Developer Edition on top of Windows Server 2003 SP1. We're testing out a 3rd party application that is using Windows Authentication to connect to SQL 2005. The SQL Error Log is saturated with the error message listed in the subject line. The text accompanying the message alternates between "Login failed for user 'MYDOMAINTESTDA1$'. [CLIENT: <named pipe>]" and "Login failed for user 'MYDOMAINTESTDA1$'. [CLIENT: xxx.xxx.xxx.xxx]".

There are two strange parts to this: 1) The application appears to be working fine on the surface, and, 2) The MYDOMAINTESTDA1$ account mentioned in the error text is not the user account that we are using to connect the application to SQL 2005. TESTDA1 is the server name that the 3rd party software is running remotely from.

I've looked up "error state 11" using the following resource:

http://blogs.msdn.com/sql_protocols/archive/2006/02/21/536201.aspx

It describes error states 11 and 12 as "Valid login but server access failure" but I'm not sure what that means. Why would SQL care about the computer account hosting the application?

Thanks in advance for any help.

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Error: 18456, Severity: 14, State: 5

Apr 28, 2008

When I try to make a connection to my SQL Database I get the following error in the ERRORLOG file for SQL:

Error: 18456, Severity: 14, State: 5
Login failed for user 'xxx'. [CLIENT: <local machine>]

I can verify that the user 'xxx' does exist and has the proper password in Active Directory. This error did not start happening until I re-installed SQL Server 2005 (I had another issue that has been resolved). I cannot pin-point this problem. Any help???

Thanks...

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Error 18456 Login Failed For User ""

Feb 12, 2001

I get this error when trying to connect. I'm using the sa id and password for all of my odbc connections. It fails when trying to connect to this one but it's ok on a couple of others I've set up with the same id etc.
Where is this "" coming from and how to avoid it in the future?

I've removed and recreated the connection to be sure that I didn't actually type that in as the id....hey it's monday...it could happen.

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Error 18456 Severity: 14 State 11 Problem

Nov 27, 2006

I am installing diskeeper administrator on one server with at database on our sql2005 server. When I am trying to connect to the database the diskeeper software says verify username and password. I try to connect using windows authentication .And in the serverlog this error occurs

2006-11-27 15:04:56.01 Logon Login failed for user 'NBServername$'. [CLIENT: "Ipadress"]

2006-11-27 15:04:56.01 Logon Error: 18456, Severity: 14, State: 11.

When i try to connect with Sql server authentication, this error occurs in the log:

2006-11-27 15:48:35.46 Logon Login failed for user 'NBSERVERNAME$'. [CLIENT: ipadress

]2006-11-27 16:04:22.94 Logon Error: 18456, Severity: 14, State: 16.

I have tried to disable filesharing, and run installation of diskeepper as the domain administrator. But the same error occurs.

Can anyone help me with this

Regards Oyvind

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Error: 18456, Severity: 14, State: 11 When Logging In

Sep 15, 2007

I just installed SQL Server 2005 with SP2 on Vista. When I try to login from SQL Server Management Studio, I get the following error message in the log:
---
2007-09-15 18:58:02.23 Logon Error: 18456, Severity: 14, State: 11.
2007-09-15 18:58:02.23 Logon Login failed for user '<computer name><user account>'.[CLIENT: <local machine>]
---

Since I can't login, I can't try some of the stuff I have seen here, such as creating new logins etc.

I installed Analysis Server and Integration Services at the same time. Logging in to them both works fine.

I use windows authentication. I don't know if changing that helps, as I don't know how to change it without logging in in the first place...

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MS SQL Server Error 18456 Severity 14 State 8

Oct 19, 2007

This is on SQL Server 2005 for the sa account. I am just looking the in the sql server error log.I know this is a password mismatch. Where is it mismatched? Does there have to be a 'sa' network user account now with 2005?

Any help would be very appreciated.

Joanne Mahoney

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Logon Error: 18456, Severity: 14, State: 8 - NEED HELP!!!!

Apr 12, 2007

Hi All,

I am getting the following error in the ERRORLOG File when I am
trying to connect to SQL Server 2005 Enterprise Edition 64bit with SP2 from
Reporting Services Configuration tool - Database Setup. The SQL Server
database and reporting services are on 2 different servers. Both are running
2003 SP2 64 bit.

2007-04-12 07:30:05.54 Logon Error: 18456, Severity: 14, State:
8.
2007-04-12 07:30:05.54 Logon Login failed for user 'sa'.
[CLIENT: xx.xx.xx.xx]

I know my password is valid as I can logged into SSMS using SA. I can create
the 2 reportserver databases using the Reporting Services Configuration tool
on the database server. The db server is in MIXED mode.

What am I missing?

Related articles I have followed are:

Login failed for user 'x'
http://msdn2.microsoft.com/en-us/library/ms366351.aspx

Change Server Authentication Mode
http://msdn2.microsoft.com/en-us/library/ms188670.aspx

Any help to get passed this problem would greatly be appreciated.
Thanks in advance for your time!

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SQL Login Windows Authentication Error: 18456

Feb 9, 2008

Hi,
I have just installed Windows Vista and SQL Server 2005. When I try to connect to my local server with Windows Authentication, I get the follwoing message:

Login failed for user <user> (Microsoft SQL Server, error: 18456)

Any help please. Thanks.

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Error 18456 - Cannot Connect - Database Engine

Dec 12, 2007

I finally got SQL Server 2005 installed on my Vista Ultimate computer and now I can't connect in SQL Server Management Studio.

I've got a named instance; use the built-in system account; windows authentication mode. I try to connect to

Server type: Database Engine
Server name: RAYWOERNER-PCRAYWOERNER
Authentication: Windows Authentication

and it fails. Please help.

Thanks,

Ray

Here are the technical details:

===================================
Cannot connect to RAYWOERNER-PCRAYWOERNER.
===================================
Login failed for user 'RayWoerner-PCRay'. (.Net SqlClient Data Provider)
------------------------------
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=18456&LinkId=20476
------------------------------
Server Name: RAYWOERNER-PCRAYWOERNER
Error Number: 18456
Severity: 14
State: 1
Line Number: 65536

------------------------------
Program Location:
at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
at System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK)
at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject)
at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart)
at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance)
at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance)
at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection)
at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup)
at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.SqlClient.SqlConnection.Open()
at Microsoft.SqlServer.Management.UI.VSIntegration.ObjectExplorer.ObjectExplorer.ValidateConnection(UIConnectionInfo ci, IServerType server)
at Microsoft.SqlServer.Management.UI.ConnectionDlg.Connector.ConnectionThreadUser()

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Error 18456 When Trying To Connect To 2005 Using Odbc

Oct 1, 2006

Hi all

I am using Windows XP SP2 with a Sql server 2005 Express installation. I created a test db with a user called test, schema also test. I gave the permission connect, db_datareader and db_datawriter. I can now connect into this user using WinSQL. But if I want to connect using a application which is using ODBC, then I get the error:

[SQLSTATE=28000 - [Microsoft][SQL Native][SQL Server]Login failed for user 'test'.[Native Error=18456]]

Because I connect using ODBC, I think there must be the problem. But I have to connect with ODBC. There is no other possibility.

any ideas ?

Regards, Waff

I found this out:

The server collation is defined to: Latin1_General_CI_AS

If I create a new login id in lowercase, then ODBC will change it to uppercase and then the server refuse the access. But why. CI means case insensitive, so doesn't matter if upper or lower case. should.

How do you use a id in lowercase and connecto via ODBC ?

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