Xp_cmdshell - Service Account Permissions
Apr 22, 2008
Im having trouble getting xp_cmdshell to work after we changed the service account for our sql server. It was working perfectly before - so i know that execute permissions have been granted, and that we have a credential set up properly.
I have read that I need to ensure the service account has permissions to 'act as opertaing system' and 'replace a process level token'. I have granted these rights in the local security policy as well.
However, I still get :
A call to 'CreateProcessAsUser' failed with error code: '1314'.
Do I need to restart the service? Or the whole server? Or have I missed something else?
Any help will be much appreciated.
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Oct 4, 2007
Re: SQL Server 2005
Does the xp_cmdshell proxy account need admin-level permissions on the server?
The reason I ask this is because I keep getting "Access is Denied" errors when trying to run this command as a non-admin:
master..xp_cmdshell dtexec 'some package'
The 'some package' has an "execute process task" which calls a batch file on the server.
If the proxy account is NOT a local admin, the "execute process tasks" fails with an "Access is Denied" error.
If the proxy account is a local admin, it executes fine.
We have given "Everyone" FULL CONTROL of all the folders that are affected by the batch file, and it still does not work.
I am out of ideas at this point. It just does not work unless it's an admin.
Are we missing something here?
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May 18, 2007
Hello! I have the following problem. I developed CLR Stored Procedure "StartNotification" and deploy it on db. This sp calls external web service. Furthermore, this sp is called according with SQL Server Agent Job's schedule. On my PC SQL Server works under Local System account and this web service is called correctly (Executed as user: NT AUTHORITYSYSTEM). But on ther other server the following exception is raised during job running:
Date 17.04.2007 16:42:10
Log Job History (FailureNotificationJob)
Step ID 1
Server MSK-CDBPO-01
Job Name FailureNotificationJob
Step Name MainStep
Duration 00:00:00
Sql Severity 16
Sql Message ID 6522
Operator Emailed
Operator Net sent
Operator Paged
Retries Attempted 0
Message
Executed as user: CORPmssqlserver.
A .NET Framework error occurred during execution
of user defined routine or aggregate 'StartNotification':
System.Security.SecurityException: Request for the permission of type
'System.Net.WebPermission, System, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089' failed. System.Security.SecurityException:
at System.Security.CodeAccessSecurityEngine.Check(Object demand,
StackCrawlMark& stackMark, Boolean isPermSet)
at System.Security.CodeAccessPermission.Demand()
at System.Net. The step failed.
What is the reason of this behaviour? Unfortunately I do not have direct access to this server.
I have the following guesses:
1) CORPmssqlserver may have not enough permissions to call web service
2) Something wrong with SQL Server account's permissions
2) Something wrong with SQL Server Agent account's permissions
I will take the will for the deed. Thanks.
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Oct 2, 2007
I just set up a SQL 2005 Server about a month ago that we will be moving all of our scattered DBs onto. I basically set it up with the default settings and didn't touch anything special, until I tried to install Microsoft System Center Essentials 2007 in our environment. I had problems getting it to use our SQL server, and a forum post told me to change all of the service accounts for SQL to use the LocalSystem login. So here are my service accounts:
SQL Server Integration Services
- NT AUTHORITYNetworkService
SQL Server FullText Search (MSSQLSERVER)
- LocalSystem
SQL Server (MSSQLSERVER)
- LocalSystem
SQL Server Analysis Services (MSSQLSERVER)
- LocalSystem
SQL Server Reporting Services (MSSQLSERVER)
- LocalSystem
SQL Server Browser
- LocalSystem
SQL Server Agent (MSSQLSERVER)
- LocalSystem
So Sandisk makes this software called CMC. It's for controlling their enterprise USB drives. And their software won't install. It errors out saying that it couldn't drop the database on our SQL server (but it doesn't exist). If I make an empty DB by the same name, it sees it, and then errors out anyway. I am using the SA login for testing (I was using a purposed SQL account before) so I don't think it's a rights issue. Sandisk says it should work, and they suggested I use SQL server express. But we run VMs, and running SQL server in another VM is going to use more of our memory pool. Plus we want centralized backups and all that.
Do my service account logins have anything to do with it? Can someone tell me what these should be set to by default so I can change them back?
Here's a trace I did when I tried to install the software:
-- network protocol: TCP/IP
set quoted_identifier on
set arithabort off
set numeric_roundabort off
set ansi_warnings on
set ansi_padding on
set ansi_nulls on
set concat_null_yields_null on
set cursor_close_on_commit off
set implicit_transactions off
set language us_english
set dateformat mdy
set datefirst 7
set transaction isolation level read committed
set implicit_transactions on
go
drop database [CruzerDb]
go
IF @@TRANCOUNT > 0 ROLLBACK TRAN
go
And here's more info if needed:
Product Version
- 9.00.3042.00
Edition
- Standard Edition
Server Collation
- SQL_Latin1_General_CP1_CI_AS
Is Clustered
- No
Is FullText Installed
- Yes
Is Integrated Security Only
- No
Is AWE Enabled
- No
# Processors (used by instance)
- 2
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Dec 11, 2007
Hi,
If we were to assign permissions to a backup agent such as Backup Exec to backup the databases on the SQL server, what role would give the least amount but sufficient permissions to perform the backup? I know domain admin would make the agent a local admin and therefore allow it to back up the database but is there a role available to allow backup only?
Please note that I'm referring to a domain account used by Backup Exec to directly backup the databases rather than sql server agent.
Thanks.
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Jan 23, 2007
We are trying to configure registry settings to allow sql server service to run on a service account in SQL Server 2005. The registry has changed quite a bit from SQL 2000, and we are missing a setting in the software keys that causes sql server service not to start. If we apply permissions to all of HKEY_LOCAL_MACHINE/SOFTWARE, then the service starts, however company security policies do not allow this. Are there any specific keys we should look at, other than the obvious Microsoft/Microsoft SQL Server and Microsoft/MSSQL keys, in which we have already granted permissions to the service account?
Thanks,
Dave
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Mar 31, 2006
My SQL Server 2005 runs on a local account. Is it neccesary to assign this login in SQL to a System Administrator role?
And is there any difference in SQL Server 2000?
thanks
Przemo
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Nov 22, 2014
If you were to do a fresh install it would set permissions on the disk so everything just works.
Now when changing the service account (e.g. to a domain user) use the configuration manager, does it do the same magic (possibly sans if the database data/log files are on another disk)? Or do you need to trawl through the dozens of folders and assign rights manually?
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Mar 2, 2004
Hi all, i hope you can help me.
Basically a dts package has been setup that pulls in data from another companies server, this data requires to be on-demand i.e individual users can pull in updates of the data when they require it.
I am using xp_cmdshell and dtsrun to pull in the data. This obviouly works fine for me as i am a member of sysadmin.
Books online quotes " SQL Server Agent proxy accounts allow SQL Server users who do not belong to the sysadmin fixed server role to execute xp_cmdshell"
So i went to the SQL Server Agent Properties 'Job System' tab and unchecked 'Non-sysadmin job step proxy account' and entered a proxy account.
The proxy account has been setup as a Windows user with local administrator privilages and even a member of the sysadmin server role - just in case.
Now when i log onto the db with my test account - a non-sysadmin - and attempt to run the stored proc to import the data i recieved the message 'EXECUTE permission denied on object 'xp_cmdshell', database 'master', owner 'dbo' '
hmm... so basically i have either misunderstood BoL or there is something not quite right in my setup.
I have search the net for a few days now and yet i can find no solution.
Can anyone help?
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Jan 5, 2006
During install of SQL Server 2005, we can of course use a domain account or the built-in system account for running the services. I lean toward domain for obvious reaons but would like to know a +/- to each option and why I'd choose one over the other and what consequences or limitations one may encounter if I choose one over the other.
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May 12, 2008
I am getting the error:
Cannot open database "aspnetdb" requested by the login. The login failed.
When I browse to my ASP.NET 3.5 LINQ web application on the IIS 6.0 server on Server 2003.
I imagine this is because while I granted SQL Server 2005 login and permissions to my database that the application stores its data in, I did NOT grant any rights to the service account the IIS Application Pool uses for its identity to the aspnetdb database on SQL Server which is where all my roles information is stored at.
My question is what are the MINIMUM permissions needed for this database so it can perform its roles related functions?
I'm using Windows Authentications with the SQL Role provider for authorization.
Thank you.
EDIT: I think I only need to open the aspnetdb database and add my login to the aspnet_Roles_FullAccess role. Is that correct?
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May 9, 2002
I have several DTS jobs that runs well as a job with my nt login account for the SQL agent service startup account, but if I use the System account
they fail with this error.
" Error opening datafile: Access is denied. Error source: Microsoft Data Transformation Services Flat File Rowset Provider"
The data has change access to the System account under the NT security.
Thank you in advanced.
Jorge
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Dec 17, 1999
Our system is MS SQL Server v7 and NT 4. We have a stored procedure that exec's xp_cmdshell to run an external program located on the server. When a user who has 'sa' rights runs this stored procedure it works fine. When a 'non-sa' user (via the "BuiltinUsers" NT account) runs it, xp_cmdshell produces the following error:
Msg 50001, Level 1, State 50001
xpsql.c: Error 1385 from LogonUser on line 476
Is there an NT security or SQL Server setting I've overlooked that can be changed to allow non-sa users to xp_cmdshell programs?
n.b. The BuiltinUsers account does already have execute permission on the xp_cmdshell procedure.
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Jan 26, 2007
Hi,
I have a least privileged SQL Login €œClient€? and have granted execute rights on XP_Cmdshell SP at master db. When I execute master.. XP_Cmdshell €˜dir€™ I€™m getting the below error.
Msg 15153, Level 16, State 1, Procedure xp_cmdshell, Line 1
The xp_cmdshell proxy account information cannot be retrieved or is invalid. Verify that the '##xp_cmdshell_proxy_account##' credential exists and contains valid information.
Please note it is SQL Login account and not windows account. I have checked everywhere for similar problem and no luck.
Thanks for you help in advance
With regards
GK
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Feb 10, 2005
Hey there,
I have a procedure that runs a PERL script through xp_cmdshell. The PERL script opens Excel and has Excel open a document so that it can parse through it.
When I run the PERL script directly from the command line, it works perfectly.
When I run it from xp_cmdshell I get the following error:
Win32::OLE(0.1502) error 0x800a03ec in METHOD/PROPERTYGET "Open" at c:perlexcelTestRead.pl line 10
Now I initially thought that this was a simple permissions problem, but the account that xp_cmdshell uses has full permissions on the directory the file's in and to the Excel application. Wierder still, I can use PERL to read and write files to my heart's content. I just can't use the OLE Excel object to open an Excel file.
Anyone encounter something like this before? I think the fact that it's PERL is coincidental. The issue is that I can't use the Win32 Excel.Application object to open Excel files when using xp_cmdshell to do so. Remember, this works when I run it from the command line.
Thanks for any help you can provide
Matt
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Mar 6, 2008
Hi, I want to execute BCP in Query Analyser in SQL Server 2005 Express for that i surf on net and find that i should execute BCP under xp_cmdShell, That works good for addministritative account on SQL. But i want the working will be done by a non administrative account or non 'sa' user.How can i assign a non sa User permissions to execute xp_cmdShell? or just tell me any other alternative way to run BCP in Query Analyser or code behined. thanx
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Jul 20, 2005
Is there any way to allow a user to use the xp_cmdshell extendedstored procedure without giving that user execute permissions toxp_cmdshell in SQL server 6.5? Let me clarify. Lets say I (as thedbo) create a stored procedure called sp_send_err:CREATE PROCEDURE sp_send_err @CompID varchar(20) ASdeclare @strCMD varchar(255)select @strCMD = "master.dbo.xp_cmdshell 'net send " + @CompID + """ERROR!""', no_output"execute (@strCMD)GONow lest say I give "user1" execute permissions on sp_send_err, but nopermissions on xp_cmdshell. When I run sp_send_error I get thefollowing error:"EXECUTE permission denied on object xp_cmdshell, database master,owner dbo".Why doesn't this work? What else can I do?
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Jul 30, 2007
Hi all,
I do understand that it is highly recomended to have aserprate user (perfered a domain user account) for each of the SQL Server service and SQL Agent service.
What is the reason behind that? (Someone told me to not run the service with an account that has a powerul privilegs! - I don't undrstanmd this point can you explain it please?)
What is the diffrent between: 1- Local System account 2 -Network Service account
Thanks in advanced!
CS4Ever
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Jul 20, 2005
Hi allI have a stored procedure that has the lineEXEC master..xp_cmdshell 'dtsrun /Stestjob1 /N testdts /E'If I run the SP from an access front end as a trusted user or from ascheduled job it runs fine and exectues the dts.If I run the stored procedure using VB6 as a standard connection the dtsjobwont run. I get back Execute permissions denied on xp_cmd.. on databasemasterdb_connect_string = "Provider=SQLOLEDB.1;Persist Security Info=False;UserID=test_connect;PWD=pw1test;Initial Catalog=testdb;Data Source=" &database_name....Set cmd = New ADODB.Commandcmd.ActiveConnection = db_connect_stringcmd.CommandType = adCmdStoredProccmd.CommandText = "testStoredProcedure"cmd.ExecuteDo I need to give test_connect permisions to run the test stored procedure.I hoped that because the VB called a stored procedure and the connection hadpermissions to execute the SP then it would be the SP that called thexp_command....can anyone tell me the accepted way to do thismany thanksAndy
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May 15, 2007
Microsoft recommends that you do not use the Network Service account to run the SQL Server service (see http://msdn2.microsoft.com/en-us/library/ms143504.aspx).
Can anyone tell me what the drawbacks are of doing this?
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Dec 12, 2007
Okay now this is weird, today the Reporting Services was not running and here are the entries in the event log:
Event Type: Error
Event Source: Service Control Manager
Event Category: None
Event ID: 7041
Date: 12/12/2007
Time: 9:47:22
User: N/A
Computer: TFS
Description:
The ReportServer service was unable to log on as DOMAINTFSREPORTS with the currently configured password due to the following error:
Logon failure: the user has not been granted the requested logon type at this computer.
Service: ReportServer
Domain and account: DOMAINTFSREPORTS
This service account does not have the necessary user right "Log on as a service."
User Action
Assign "Log on as a service" to the service account on this computer. You can use Local Security Settings (Secpol.msc) to do this. If this computer is a node in a cluster, check that this user right is assigned to the Cluster service account on all nodes in the cluster.
If you have already assigned this user right to the service account, and the user right appears to be removed, a Group Policy object associated with this node might be removing the right. Check with your domain administrator to find out if this is happening.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp
I am the administrator of the machines and I can assure you that no domain policy has changed for a couple of weeks. What should I look for?
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Jun 8, 2007
Hi,
I want to use a domain user account not belonging to local admin or domain admin groups in SQL 2000/2005 Enterprise edition. This is what I've done so far..
On the machine that is the Domain Controller:
- installed SQL 2005 as a domain admin
- created a domain user account using Active Directory Users and Computers. This user is only
"Member of" domain users; not any Administrators group.
- added this user to SQL Server Management Studio->Logins and in Server Roles assigned
sysadmin role.
Question 1: Do I need to give any additional permissions to this user to work with SQL?
Question 2: How can I test this user for basic SQL operations like database creation? Can I use Osql?
Question 3: Can I use this user account to login to my domain controller using remote desktop? I tried adding this user to remote users, but in vain.
Thanks!
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Sep 20, 2006
Hey guys. I'll have an active/active cluster and seperate accounts for SQL Services and Cluster service. The question is what rights should the cluster account have in SQL if I've removed the 'builtin admins' from SQL? Thank you
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May 15, 2006
How would Set permissions Sql Server 2005 so that I can access a asp page created in VWD and Sql Express.
On the production server i have just the one instance of Sql
I have the following connection string in the web config file:
<connectionStrings>
<add name="ConnectionString" connectionString="server=serversNameXPRESS;uid=aspuser;pwd=aspuserPassworkd;database=DATABName" />
</connectionStrings>
The account i setup to access the db in Sql 2005 Proper on the Production serve is Represented by the name in the above example as “aspuser�. I created this user in security, logins. And I gave permissions to this on the Db level “create procedure delete, select, update insert.�
I get a error when i run the page in the browser that says “login failed for aspuser.�
I know virtual directory is configured properly. I can run aspx page in the directory with out a db connection, without and error.
Any help would be greatly appreciated.
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Oct 9, 2007
How can I find account that the SQL Server service is using ?
Plz help.
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Jun 12, 2008
hi.. i do not know which to choose when my installation comes to the service account page ..
should i use the local system or write the domain user account ?
i use domain user account .. but what is my domain ?
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Jan 22, 2002
Folks,
MSSQLServer and SQL Server Agent services under NT are running under a system account under our domain (setup many moons ago) for which we have lost the passsword. Is there any way we can recover these passwords?
Thanks.
Sam
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Aug 25, 2000
Hi,
I am trying to set properties on a SQL Server7, but when I get to the tab for 'Startup Service account', it is greyed out. Also, the same for properties for SQL Server Agent.
Why can't I change it?
To schedule jobs, and have SQL mail, don't I need to set up a Startup Service Account?
Thanks for your help,
Judith
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Mar 18, 2004
Has anyone ever converted from running SQL Server under the Local System account to running under a Domain User account?
I have often installed SQL using a Domain User account, but I am inheriting a couple of SQL Servers that were set up to run under Local System. I have never had to convert "on the fly" before.
If you have any input or insights, I would be grateful.
Regards,
hmscott
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Jul 20, 2005
SqlServer2k is on the domain serverSqlServer2k is on a laptop tooI want to copy a database from the domain to the laptop over the networkusing the copy database wizard.I have done this before with no problem but this time I get thefollowing error:Your SQL Server Service is running under the local system account. Youneed to change your SQL Server Service account to have the rights tocopy files over the network.I went into the properties of MSSQLSERVER under Services andApplications and see no setting described.Where do manage the SQL Server Service?*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!
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Aug 6, 2007
By default does CLR code run under the SQL Service Server account or the SQL Agent Service Account? Does anybody have a link to BOL or MSDN???
My assumption is its under SQL Server Service Account.
I'm trying to satisfy the DBA's security concerns in regards to CLR Code. If the account it runs under (Agent or service) has zero privliges will a dba still be able to maintain the server? Wouldnt all their backups work under a privilaged account that isnt the SQL Server Service Account?
Double posted in security.
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Jan 8, 2008
Hi,
I come from an Oracle background, and am having trouble getting to grips with SqlServer
I've installed SqlServer 2005 and created a Database called Midas, which is owned by SA
I've created a login called ServiceAccount. I want this login to have 'select', 'update' and 'insert' permission on specific tables in the Midas database. How do I do this?
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May 12, 2006
Hi All,
I understand Sql Server Integration Services by default uses"NT AuthorityNetwork Service" account as service account. Is running SSIS using "NT AuthorityNetwork Service" account is good or should we create a domain account to run the SSIS service.
Regards, Balaji Thiruvenkataraju.
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