Link Server Error: Login Failed For User 'Domainuser'. (Microsoft SQL Server, Error: 18456)
Oct 18, 2007
Hi,
I am trying to create a linked server between 2 SQL Server 2005 boxes.
When I create the linked server I specify a login for the connection.
The strange part is that I get the following error when it goes to test the connection:
The test connection to the linked server failed
Login failed for user 'Domainuser'. (Microsoft SQL Server, Error: 18456)
I can use the SQL mangement studio to conenct to the database using this same login.
The login has all the server roles assigned to it also.
Can anyone shed some light as to what may be the problem?
Thanks,
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Aug 25, 2006
I just upgraded SQL Server 2000 to 2005 without any errors. Afterwards, I tried registering with sa and it failed. I registered with another sysadmin login to get into most of my databases, but I need sa to work for my backup software Idera SQLSafe to login to the database.
Does anyone have any experience or recommendations? I know my password is correct.
Mindy
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Aug 25, 2007
Please help I keep getting this message when I log on to my data base. Not sure what state 1 relates too
TITLE: Connect to Server
------------------------------
Cannot connect to <server_name>
------------------------------
ADDITIONAL INFORMATION:
Login failed for user <user_name>. (Microsoft SQL Server, Error: 18456)
------------------------------
BUTTONS:
OK
------------------------------
Server Name: <server~name>Error Number: 18456
Severity: 14
State: 1
Line Number: 65536
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Mar 3, 2008
hi,
i am getting the following error message while i am trying to login to the SQL Server 2005 on my vista laptop. i installed the server with dual authentication modes.
Login failed for the user'xxxx'(Microsoft SQL Server 2005. Error:18456)
if you have solution for my problem please send a reply as early as possible.
thanks,
ravi kishore.ch
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Aug 21, 2007
Login Failed for user , the user is not associated with a trusted sql server connection. (microsoft SQL Server,Error:18452)
hi ,
i am getting the above error message once in a while maybe two or 3 times a week , and then it goes away in 10 to 15 minutes or 5 minutes ,
our mode is set to mixed and we are able to connect and use both sql and windows , but once in a while , it will give us the above message when we try connecting throught sql server management studio client (using sql 05) using windows login , although it lets us connect using sql login while the windows login is denied, and after a while it lets us connect with both.
occurs randomly on some days , we run our servers on VM ware virtual machines using windows 2003 r2 enterprise 64 bit with sp2 with esx 301 virtual machine.
would appericate any feedback on this thanks
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Dec 12, 2007
Can anyone give a quick description of the meaning of this message andwhat needs to be done to get a connection.I'm running DBArtisan with SQLServer 2000 client SP4 installed.I also get the same message with MS Enterprise Manager so this iscoming out of the actual ODBC connection attempt.Thanks in advance!
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May 14, 2008
Hi all
This Job ran yester day fine,to day It got failed with this error
any suggestion to troubleshoot problem is appreciated.
DTSRun OnError: DTSStep_DTSTransferObjectsTask_1, Error = -2147203052 (80044814)
Error string: [Microsoft][ODBC SQL Server Driver][SQL Server]Login failed for user '(null)'. Reason: Not associated with a trusted SQL Server connection.
Error source: Microsoft SQL-DMO (ODBC SQLState: 28000)
Help file: SQLDMO80.hlp
Help context: 1131
Error Detail Records:
Error: 0 (0); Provider Error: 0 (0)
Error string: [Microsoft][ODBC SQL Server Driver][SQL Server]Login failed for user '(null)'. Reason: Not associated with a trusted SQL Server connection.
Error source: Microsoft SQL-DMO (ODBC SQLState: 28000)
Help file: SQLDMO80.hlp
Help context: 1131
DTSRun OnFinish: DTSStep_DTSTransferObjectsTask_1
DTSRun: Package execution complete.
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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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Feb 22, 2007
Hello.
I get this error when I try to connect to my SQL Server with JDBC:
Excepcion en MyPool Pool.getNewConnection() [Microsoft][SQLServer 2000 Driver for JDBC][SQLServer]Cannot open database "lituania" requested by the login. The login failed.
And in the ERRORLOG I get:
2002-02-22 19:59:46.62 Logon Error: 18456, Severity: 14, State: 16.
2002-02-22 19:59:46.62 Logon Login failed for user 'frontend'. [CLIENT: 10.0.0.75]
I found it is supossed to be a password mismatch:
http://blogs.msdn.com/sql_protocols/archive/2006/02/21/536201.aspx
but I checked the password is correct.
Any ideas? Thank you in advance.
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Apr 3, 2008
A user is trying to connect to a server via windows authentication from SQL management studio on her desktop.
The log file on the server gives:
Login failed for user: domain1user1
Error : 18456, Severity: 14, State: 11
The strange thing is that the user in the error above is not the user she's trying to connect as (domain2user2, say).
user2 can remote desktop to the server and log in there.
I know this state implies "Valid login but server access failure".
Has anyone run into this, and what more information would be useful to know? Thanks!
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Apr 10, 2008
Hi All,
I get below error when I try to logged into my web site.
Error: Login failed for user 'username'
Below is the event log at that time.
Error: 18456, Severity: 14, State: 8.
my web site working fine since last 5 months & from yesterday i was getting this error.
the thing is, the behavior of this error is not consistent.
Appreciate your help.
Below is the strack trace:
Stack Trace: 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.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options)
at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject)
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 User..ctor(String vzid)
thanks in advance,
prashant
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Feb 6, 2008
Hi,
can someone help me with this error.
Error: 18456, Severity: 14, State: 16
Login failed for user 'NT AUTHORITYSYSTEM' [CLIENT:<local machine>]
I've found several Threads but not with the NT AUTHORITYSYSTEM.
Thanks for help.
Jens
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Apr 16, 2008
Hi when i try and open a database in sql server management studio i get the error "Cannot open user default database. Login failed. Login failed for user 'DOMAINUser'. (.Net SqlClient Data Provider)", what can i do to rectify this, i have googled around and still havent found no answers.
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Nov 22, 2007
i'm using the Enterpirse library logger to write logs into a database.
When choosing connection string i choose the database i want in the "connection properties" dialog box and
push 'Test connection' button.
everything goes well.
then i open the SQL Server Management studio express and connect to the databse to check some things,
from that point on , when i push the 'Test Connection' button in the Enterprise library i get the error:
"cannot open user default database. Login failed. login failed for user My'server/MyuserName'"
even when i close the sql server manager , it is still stuck - the connection test doesn't work anymore....
it only work when i restart the computer.
why ?
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Feb 28, 2007
As an 'SA' I thought that you have permission to do anything on the server. Running an update command from Query Analyzer is throwing this error:
SQL Server 2000 SP3
Server: Msg 18456, Level 14, State 1, Line 1
Login failed for user 'sa'.
The table is in the dbo schema.
Has anyone seen this error before?
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Nov 7, 2007
Hi
Last week I was receiving an error when trying to connect to two of our seven sql servers from my laptop via my domain admin account. The only fix was to have my laptop rebuilt and everything re-installed.
Today however another administrator is starting to have the same problem but to only one of the seven servers!
When that administrator uses my laptop with her domain admin account it works!?
What could possibly be going wrong with our laptops? We have not installed or changed anything.
The full error message we see:
Login failed for user ''. The user is not associated with a trusted SQL Server connection. (Microsoft Sql Server, Error: 18452)
The error being logged on the server: (two errors are logged each time)
SSPI handshake failed with error code 0x8009030c while establishing a connection with integrated security; the connection has been closed. [CLIENT: 53.35.165.148]
Login failed for user ''. The user is not associated with a trusted SQL Server connection. [CLIENT: 53.35.165.148]
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Apr 10, 2007
Hi
i connect to remote Integration Service. i configure server for remote connection( on component services and DCOM config , ... ) .and now i can connect to Integration Service remotely and correctly.
but when i expand Stored Package and then click to expand MSDB this error will hapen:
login failed for user ... .(microsoft sql native client )
please help me
thanks in advance
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Mar 18, 2008
On computer 1, I am programming a C# utility to connect to a SQL 2005 SP2 Database. Here is the connection string.
Server=serverName;Database=database;User Id=DOMAIN/DomainAccount;Password=password;
I am using Visual Studio 2005 with .NET 2.0.
I have logged into Computer 1 with a different account. When I run the utility, I get a login failed exception. Here is the error I get from SQL 2005.
Login failed for user 'DOMAIN/DomainAccount'. [CLIENT: xxx.xxx.xxx.xxx].
Error: 18456, Severity: 14, State: 6.
xxx are filled with the valid IP address of the computer I am running the utility from.
When I log into the computer 2 with the same domain account, it runs with success.
Login succeeded for user 'DOMAIN/DomainAccount'. Connection: trusted. [CLIENT: xxx.xxx.xxx.xxx]
When I put Trusted_Connection=True; in the connection string, it connects as me and not the domain user I want to connect to.
When I put Integrated Security=SSPI; in the connection string, it does the same thing.
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Sep 9, 2015
Many a times see the below error in SQL Error log.
Login failed for user 'NT AUTHORITYANONYMOUS LOGON'. Reason: Token-based server access validation failed with an infrastructure error. Check for previous errors. [CLIENT: ]
Is this something to do here?
Note: If I run the below statement I know that the SQL Error log entry will go off, but wanted to know the real significance of this error?
CREATE LOGIN [NT AUTHORITYANONYMOUS LOGON] FROM WINDOWS
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Feb 18, 2008
All the research I found dealing with this problem is that the solution is to set SQLserver to mix mode. I have SQL server already set to mix mode. I am not sure what else to do. Has anybody run into this problem?
my connection string: <connectionStrings>
<add name="ConnectionString" connectionString="Data Source= server name ;
Initial Catalog=FILESHAREDB.MDF;
Integrated Security=false;"providerName="System.Data.SqlClient"/>
</connectionStrings>
Server Error in '/SendItNow' Application.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.SqlClient.SqlException: Login failed for user ''. The user is not associated with a trusted SQL Server connection.Source Error:
Line 41:
Line 42: 'open the connection and execute the stored procedure
Line 43: mConnection.Open()
Line 44: mResourceID = mCommand.ExecuteScalar()
Line 45: mConnection.Close()Source File: H:MIS DepartmentIntranetSendItNowApp_CodeDalResourceDB.vb Line: 43 Stack Trace:
[SqlException (0x80131904): Login failed for user ''. The user is not associated with a trusted SQL Server connection.]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +800131
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +186
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +1932
System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) +33
System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) +172
System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +381
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +181
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +173
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +357
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +30
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +424
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +66
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +494
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +82
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +105
System.Data.SqlClient.SqlConnection.Open() +111
ResourceDB.SaveResource(String filename, String fromContactEmail, String toContactEmail, String message, Int32 ID) in H:MIS DepartmentIntranetSendItNowApp_CodeDalResourceDB.vb:43
Resource.SaveResource(String filename, String fromContactEmail, String toContactEmail, String message) in H:MIS DepartmentIntranetSendItNowApp_CodeBllResource.vb:31
ContentFiles_Default.ImageButton1_Click1(Object sender, ImageClickEventArgs e) in H:MIS DepartmentIntranetSendItNowContentFilesDefault.aspx.vb:33
System.Web.UI.WebControls.ImageButton.OnClick(ImageClickEventArgs e) +86
System.Web.UI.WebControls.ImageButton.RaisePostBackEvent(String eventArgument) +115
System.Web.UI.WebControls.ImageButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1746
Version Information: Microsoft .NET Framework Version:2.0.50727.1433; ASP.NET Version:2.0.50727.1433
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Mar 11, 2008
I received the above error yesterday and haven't been able to trace it to any job or process running. We haven't implemented any changes to the server in the past few months, and it doesn't look to be a user-established connection, since the Client IP Address of the SSPI handshake error is from the server itself.
I logged this set of messages in SQL AgentServer error log:
Date 10.03.2008 6:15:19 PM
Log SQL Agent (Current - 10.03.2008 6:15:00 PM)
Message
[298] SQLServer Error: 18452, Login failed for user ''. The user is not associated with a trusted SQL Server connection. [SQLSTATE 28000]
Date 10.03.2008 6:15:19 PM
Log SQL Agent (Current - 10.03.2008 6:15:00 PM)
Message
[382] Logon to server '<server>' failed (ConnAttemptCachableOp)
Date 10.03.2008 6:15:19 PM
Log SQL Server (Current - 11.03.2008 2:32:00 PM)
Source Logon
Message
Error: 17806, Severity: 20, State: 2.
Date 10.03.2008 6:15:19 PM
Log SQL Server (Current - 11.03.2008 2:32:00 PM)
Source Logon
Message
SSPI handshake failed with error code 0x80090304 while establishing a connection with integrated security; the connection has been closed. [CLIENT: <IP Address>]
Date 10.03.2008 6:15:19 PM
Log SQL Server (Current - 11.03.2008 2:32:00 PM)
Source Logon
Message
Error: 18452, Severity: 14, State: 1.
Any help in explaining this would be greatly appreciated.
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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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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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Mar 18, 2005
i get the login error "Login failed for user MACHINENAMEASPNET"
i have tried several methods but to no avail. what is wrong here actually??
thankss
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May 22, 2008
Hi,
Exception Details: System.Data.SqlClient.SqlException: Login failed for user 'NT AUTHORITYLOCAL SERVICE'.
my applicaton working on other machine perfect with the same code but when i upload on web server showing me above error.
Thanks with best regards,
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Feb 22, 2005
Hi, all
recently, I use the following script(somebody else) to create a database on a remote server: the script is as follow:
/*************************/
CREATE DATABASE [ErrorLog]
GO
Use ErrorLog
CREATE TABLE [dbo].[Errors] (
[ID] [int] IDENTITY (1, 1) NOT NULL ,
[SessionID] [char] (12) NULL ,
[RequestMethod] [char] (5) NULL ,
[ServerPort] [char] (5) NULL ,
[HTTPS] [char] (3) NULL ,
[LocalAddr] [char] (15) NULL ,
[HostAddress] [char] (15) NULL ,
[UserAgent] [varchar] (255) NULL ,
[URL] [varchar] (400) NULL ,
[CustomerRefID] [varchar] (20) NULL ,
[FormData] [varchar] (2000),
[AllHTTP] [varchar] (2000),
[ErrASPCode] [char] (10) NULL ,
[ErrNumber] [char] (11) NULL ,
[ErrSource] [varchar] (255) NULL ,
[ErrCategory] [varchar] (50) NULL ,
[ErrFile] [varchar] (255) NULL ,
[ErrLine] [int] NULL ,
[ErrColumn] [int] NULL,
[ErrDescription] [varchar] (1000) NULL ,
[ErrAspDescription] [varchar] (1000) NULL ,
[InsertDate] [datetime] NOT NULL
) ON [PRIMARY]
--Create the user "ErrorLog"
if not exists (select * from master.dbo.syslogins where loginname = N'ErrorLog')
BEGIN
declare @logindb nvarchar(132), @loginlang nvarchar(132) select @logindb = N'Navigator', @loginlang = N'us_english'
if @logindb is null or not exists (select * from master.dbo.sysdatabases where name = @logindb)
select @logindb = N'master'
if @loginlang is null or (not exists (select * from master.dbo.syslanguages where name = @loginlang) and @loginlang <> N'us_english')
select @loginlang = @@language
exec sp_addlogin N'ErrorLog', 'secret', @logindb, @loginlang
END
GO
if not exists (select * from dbo.sysusers where name = N'ErrorLog' and uid < 16382)
EXEC sp_grantdbaccess N'ErrorLog', N'ErrorLog'
GO
Grant select, insert On Errors to ErrorLog
/***************************/
in my *.asp program, I used the following string to connect to the database on the remote server.
/********
con.open "dsn=ErrorLog;uid=ErrorLog;pwd=secret;"
********/
the following message comes up:
/********/
Error Type:
Microsoft OLE DB Provider for ODBC Drivers (0x80040E4D)
[Microsoft][ODBC SQL Server Driver][SQL Server]Login failed for user 'ErrorLog'.
/*********/
what is the problem here?
when I set up dsn ErrorLOG, I used "abc" userID and password "XXX" which is our server database administrator assigned to me. I tested connection in odbc, it is OK
I just don't get, ther user ErrorLog already had login id and granted access to database errorlog. any clue, please help!
Betty
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Jun 19, 2007
I can't seem to connect to our local instance of Microsoft SQL Server. I obtained the followinf infrotmation from the error log and I can't find anything in regards to Severity 14 and state 1. If anyone has any information in regards to this it would be much appreciated. Thanks in advance!
===================================
Cannot connect to 10.1.0.191.
===================================
Login failed for user 'kbober'. (.Net SqlClient Data Provider)
------------------------------
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=18456&LinkId=20476
------------------------------
Server Name: 10.1.0.191
Error Number: 18456
Severity: 14
State: 1
------------------------------
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.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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Aug 11, 2005
can any one help
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Dec 26, 2005
Hi,
I wanted to check the asymmetric key option in sql 2005. I copied the books online code for creating a asymmetric key and then used this key for creating a login. Now when I try to login without entering any password I am receiving 18456 error. I would like to know what I am missing here. If I use CREATE LOGIN from asymmetric key or certificate how do I login and with what credentials. Do I need to provide any password.CREATE ASYMMETRIC KEY PacificSales09
WITH ALGORITHM = RSA_2048
ENCRYPTION BY PASSWORD = 'bmsA$dk7i82bv55foajsd9764';
GO
CREATE LOGIN asm FROM ASYMMETRIC KEY PacificSales09;
Regards,
Ravi
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Aug 8, 2007
I am running several instances of SQL Server 2005 sp2 on a W2k3 sp2 box (member server).
This morning, I installed reporting services to one of my instances and shortly after noticed I was getting the following two messages in my SQL Server log file:-
08/08/2007 11:05:03,Logon,Unknown,Login failed for user 'DOMAINDOMCONTROLLER$'. [CLIENT: xxx.xxx.xxx.xxx]
08/08/2007 11:05:03,Logon,Unknown,Error: 18456, Severity: 14, State: 16.
The above entries were each repeated 6 times every 15 minutes but with State 11. I created a logon for the above, and now get the above messages (state 16) repeated 3 times every 15 minutes!
Any ideas why?
Regards
Ian
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Jun 19, 2007
SQL2000 SP4 (SQL and Windows authentication) on Win2000SP4. Event ID 17055 (18456: Login failed for user 'sa'.) is being logged at an average of 20 times an hour. Tried to run SQL Profiler but it no trace information on the source (host, ip or application) of the failed login. Some forums suggest to unplug the server from network to know if its a local or networked issue but this is not possible in my case. Acquiring firewall/router logs from Network team is a headache. Any help on pinpointing what/where is this failed login coming from is very much appreciated.
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Oct 27, 2004
Hi,
Im getting this error when attempting to retrieve data from an sql database.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Data.SqlClient.SqlException: Cannot open database requested in login 'projectAllocations'. Login fails. Login failed for user 'sa'.
Source Error:
Line 13: objConn = New SqlConnection( "Server=LAB303-066NETSDK; Database=projectAllocations; User ID=sa;Password=mypassword")
Line 14: objCmd = New SqlCommand("SELECT * FROM project_descriptions", objConn)
Line 15: objConn.Open()
Line 16: objRdr = objCmd.ExecuteReader()
Line 17: While objRdr.Read()
Source File: C:finalyearproject2sample.aspx Line: 15
Please Help!! Im a beginner to this, so if anyone knows the answer, take baby steps when explaining. Thanks
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