Xp_cmdshell Resulted In Access Is Denied

Jul 20, 2005

Scenario:
----------

SQL server: 192.168.1.3
Server 2: 192.168.1.2, a folder named ABC is shared out.

Both servers have the same password for the account named
"Administrator"

----------
i tried to execute the following command in SQL server (192.168.1.3):

exec master..xp_cmdshell 'move /Y "D: est.txt"
"\192.168.1.2ABC est.txt"'

and got the error "access is denied"

However, when i execute the move command in the command prompt of the
SQL server, there was no problem. i'm able to connect to
\192.168.1.2ABC without any problem too.

What could be the problem?

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Access Denied Error Message Using Xp_cmdshell To Access Network Share

Jan 14, 2007

When running the following statement in SQL 2005, I get the error message "Access is denied":

exec master.dbo.xp_cmdshell 'TYPE \SERVER-BSHAREFILE.TXT'



The following are true about the network:

The SQL Server is installed on SERVER-A.
SERVER-A and SERVER-B are Windows 2003 servers on the same Windows 2003 domain.
The SQL Server and SQL Server Agent services are running under the domain account SQLSERVICE.
SQLSERVICE is a member of the Domain Admins group.
The Domain Admins group is part of the local Administrators group on SERVER-B.
The SQLSERVICE account has also explicitly been given Full Control to the folder referenced by \SERVER-BSHARE
xp_cmdshell use has been enabled on the SQL Server.


If I run the following command in SQL:

exec master.dbo.xp_cmdshell 'whoami'the following is returned: DOMAINSQLSERVICE
If I change the command to access the c: drive instead of a network drive, it executes successfully.

Can anyone shed some light on why I still cannot access any of the files in this folder using xp_cmdshell?

Tim

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Feb 25, 2008

Good afternoon all,

I am trying to run the following but I get "Access is Denied".

declare
@SPsysname,
@Instancesysname,
@SQLvarchar(2000),
@theDate datetime

-- Initialise variables

set @SP= object_name(@@procid)
set @Instance = @@servername
set @theDate = getdate()

set @SQL = 'sqlcmd -E -S DEREKPREPRODUCTION -h-1 -d Staging -Q " set nocount on select ''""'' + cast(PersonId as varchar) + ''-'' +
cast(DatabaseId as varchar) + ''""'' from Staging.dbo.EmailRemovalTest where DTS > dateadd(dd, -7, getdate()) set nocount off "
> C: estoutput' + convert(varchar, @theDate, 112) + '.txt'

exec xp_cmdshell @SQL

There is a sproc on the same server that uses xp_cmdshell. When I run that sproc it works fine. I wonder, does having execute permission on the sproc grants me permission to use xp_cmdshell? Anyway, how do I enable this setting?

Thanks for your help ni advance.

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Jun 27, 2007

I start receiving error 'Access is denied' executing following command:
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The configuration is following:
Two computers CO1 and CO2
Both computers are not in domain,
Both computers use the same local windows account to run their instances of SQL server 2005 and passwords for those accounts are the same
Both local accounts are in their local administrative groups
Both servers do not have configured proxy account. I execute sql commands under ther sysadmin account

If I execute this command from CO1 to CO2, everything works.
exec xp_cmdshell 'dir \CO2_IPSHARE_NAME*.*'
If I execute from CO2 to CO1 I receive access denied.
exec xp_cmdshell 'dir \CO1_IPSHARE_NAME*.*'

If I will log in to the computer CO2 under account of SQL server and execute the dir command from it, it works.
dir \CO1_IPSHARE_NAME*.*

Could you point me where to look?

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I am using XP_CMDSHELL to run 2 Windows commands (from a SQL 2005 SP2 server) that access files on a remote server (called webserver). The two commands are:

1. cscript.exe \webserverwwwrootEur_SaveProductImages.vbs
2. dir \webserverwwwroot
Up until very recently this worked fine. Now I am getting Access Is Denied errors:

For #1:
Microsoft (R) Windows Script Host Version 5.6
Copyright (C) Microsoft Corporation 1996-2001. All rights reserved.
CScript Error: Loading script "\webserverwwwrootEur_SaveProductImages.vbs" failed (Access is denied. ).

For #2:
Access is denied.

This happens if the above commands are run through a job, or directly with Query Analyzer as SA.

I understand that XP_CMDSHELL commands are run in the security context of the SQL Server startup account. The SQL Server startup account is called SQLServer and this account exists on both webserver and the database server. On both servers the username & password are identical and the user is in the local Administrators group. The two servers are in a workgroup.

Things I have tried (with no effect):

1. Restarted the servers
2. Deleted and recreated the SQLServer login on both servers
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The most revealing tests are these:

1. If I log into the database server myself using the SQLServer account I can run the above commands in a Command Prompt with no problem

2. I installed SQL 2005 Express SP2 on webserver using the same startup account (SQLServer). If I run the same XP_CMDSHELL commands as above but accessing files on the database server, the commands work!
So, an XP_CMDSHELL command run under SQL Express using the local SQLServer account to access a remote server works, but an XP_CMDSHELL command run under SQL Server using a local SQLServer account (that is supposedly identical to the same named account on the other server) does not work !!?!?!?

It is almost as if XP_CMDSHELL commands run under SQL Server are NOT using the SQLServer startup account, but using some other weaker account. How can I tell if this is true?

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it sounds plausible, but I don't know what are the exact steps to do
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Hi,

I am having some trouble copying data over my workgroup network from my Windows 2003 Server Machine (machineA with SQL SERVER 2005) to one of my network Machine's drive(MachineB).
Here is the T-SQL code that I am trying to execute:

EXEC xp_cmdshell 'copy D:Datafile.txt \MachineBDocuments'

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I have already searched over the internet and I found out that loads of people have the same issue, and they were suggested something like this:
"Check in Services and make sure that the MSSQLServer service is run as
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Well it sounds plausible, but I don't know what are the exact steps to do this. How do I know which user is running the MSSQL Server service? Are they referring to the user which I use to connect to my SQL Server Database engine throuhg the SQL Server Management Studio?
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===================================
Cannot connect to Dawn.
===================================
Failed to retrieve data for this request. (Microsoft.SqlServer.SmoEnum)
------------------------------
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------------------------------
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===================================
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------------------------------
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en System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)

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en System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)

en System.IO.StreamWriter.CreateFile(String path, Boolean append)

en System.IO.StreamWriter..ctor(String path, Boolean append, Encoding encoding, Int32 bufferSize)

en System.IO.StreamWriter..ctor(String path, Boolean append)

en System.IO.File.AppendText(String path)

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------------------------------
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Nov 30, 2006

Does the error below look familiar to anybody? I cannot seem to get past it!  My connection code is
<sessionState mode="SQLServer" stateConnectionString="tcpip=BRAHMA" sqlConnectionString="data source=epscor;user id=epscorser;password=epsc0r" cookieless="false" timeout="60"/>
Help in solving this appreciated! -Steve
SQL Server does not exist or access denied. 
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: SQL Server does not exist or access denied.Source Error:




An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:




[SqlException: SQL Server does not exist or access denied.]
System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction) +474
System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction) +372
System.Data.SqlClient.SqlConnection.Open() +384
System.Web.SessionState.SqlStateConnection..ctor(String sqlconnectionstring) +92

[HttpException (0x80004005): Unable to connect to SQL Server session database.]
System.Web.SessionState.SqlStateConnection..ctor(String sqlconnectionstring) +189
System.Web.SessionState.SqlStateClientManager.GetConnection(Boolean& usePooling) +98
System.Web.SessionState.SqlStateClientManager.SetAsyncWorker(String id, SessionStateItem item, Byte[] buf, Int32 length, Boolean inStorage) +44
System.Web.SessionState.SqlStateClientManager.System.Web.SessionState.IStateClientManager.Set(String id, SessionStateItem item, Boolean inStorage) +147
System.Web.SessionState.SessionStateModule.OnReleaseState(Object source, EventArgs eventArgs) +465
System.Web.SessionState.SessionStateModule.OnEndRequest(Object source, EventArgs eventArgs) +44
System.Web.SyncEventExecutionStep.System.Web.HttpApplication+IExecutionStep.Execute() +60
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +87

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SQL Doesn't Exist Or Access Denied.

Dec 18, 2006

 Hi, I not sure where my connection string is incorrect. I cant' access the SQL Server through Query Analyzer but the program can't. here is my connection string."ConnectionString" value="Data Source=xx.xx.xx.xx;Initial Catalog=xxx;UID=xxx;PWD=xxx;MAX POOL SIZE=5">
In the Query analyzer, i choose the SQL Server Authentication and provide login and password. I can access the database. Also, i can access the database at local computer. But, i can't access the database by other pc throught network.
 do i need to provide any other in the connection string?
 
regards,

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SQL Server Does Not Exist Or Access Denied

Feb 8, 2007

Hello everyone,
I’m hoping that someone could help explain why I get this error  â€œSQL Server does not exist or access denied.â€? .  I’ve migrated to the web server from my local machine and these are the steps I took:
1.Copied folder to web server.
2. Changed connection string to connect to DB
3. modified web.config
 
Being the first time I’ve done this I’m also posting the connection string and config file code.
 
this.sqlConnect.ConnectionString = "Provider=sqloledb;Data Source=serverAddress;Initial Catalog=myDB;User Id=myLogin;Password=myPass";
 
I changed it from this:
this.sqlConnect.ConnectionString = "workstation id=myComputerName;packet size=4096;integrated security=SSPI;data source=myComputerName;pers" + "ist security info=False;initial catalog=blog";
 
the config file:
<sessionState
            mode="InProc"
            stateConnectionString="tcpip=mssql.mySqlSource.com:42424"
            sqlConnectionString="data source=mssql.mySqlSource.com;Trusted_Connection=yes"
            cookieless="false"
            timeout="20"
    />
 
Question- that port number, does it need to be changed?
 
I know that the server is running both 1.1 and 2.0 framework. Not sure if that could be an issue or not.
 
In Advance I want to say thanks for any support I receive.
The Fatthippo.

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