Question

Unable to connect to SQL Server from SQL Reporting Services/CRM server when using the server name in the URL instead of "localhost"

Asked by: focusmicro

We have the following setup:
Apps on Server1:
- OS Server 2003 SP2
- SQL Server 2005

Apps pn Server2:
- OS Server 2003 SP2
- MS-CRM 3.0
- SQL Reporting Services
- IIS

On Server2:
If I open a browser and use http://server2/reports, it prompts me for username/password, then all works fine until previewing the reports which requires access to SQL. I receive this error:
An error has occurred during report processing. (rsProcessingAborted)
Cannot create a connection to data source 'CRM'. (rsErrorOpeningConnection)
Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'.

If I open a browser and use http://localhost/reports, it does not prompt me for username/password and all works fine and I am able to preview all reports.

on Server1 or any machine on the domain:
If I open a browser and use http://server2/reports,  it prompts me for username/password, then all works fine until previewing the reports which requires access to SQL. I receive this error:
An error has occurred during report processing. (rsProcessingAborted)
Cannot create a connection to data source 'CRM'. (rsErrorOpeningConnection)
For more information about this error navigate to the report server on the local server machine, or enable remote errors
Of course using locahost is not applicable from elsewhere.

I know you wil need more info to resolve my problem. I will proivide you with more info when necessary. You help is appreciated.

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Answers

 

by: EugeneZPosted on 2008-03-14 at 17:01:55ID: 21130622

try to add 'NT AUTHORITY\ANONYMOUS LOGON' to sql server logins

Review SRS setup
http://technet.microsoft.com/en-us/library/ms156305.aspx

 

by: spcbPosted on 2008-03-16 at 20:42:21ID: 21139712

It looks like Reporting Services is trying to connect to SQL Server using Windows Authentication. When you try this from anywhere other then the RS server, this will require Account Delegation in order for the SQL Server to trust the windows account credentials which the RS server is passing on to it. This is often problematic to set up as it requires (from memory) kerberos authentication, several settings on the server Active Directory accounts (for both the server accounts and the user account), and is not usable if your users and servers are in different AD forests.

Probably the easiest solution for you would be to create a SQL login on the SQL Server (which should be a member of the RSExecRole role in the ReportServer, ReportServerTempDB, master and msdb databases), and then use RSConfig.exe on the RS Server to tell Reporting Services to always use the new SQL login, instead of Windows Authentication. The syntax of rsconfig is:
RSConfig -c -s Server name -d Reporting Services database name -a Sql|Windows -u User name -p User password

 

by: Biffster007Posted on 2008-03-17 at 15:16:29ID: 21146677

Hi,

Read this article and follow the instructions.  It does sound like a 'Trust for Delegation' issue.

http://msdn.microsoft.com/msdnmag/issues/05/09/SecurityBriefs/default.aspx.

Cheers,
MH

20120131-EE-VQP-002

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