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SSRS sharepoint

Posted on 2011-02-16
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Last Modified: 2012-06-27
I have SSRS 2008 integrated with sharepoint 2010,when I am trying to open the data source of a report, it showing 401 error. Where should I look

(Error
The request failed with HTTP status 401: Unauthorized.
Troubleshoot issues with Microsoft SharePoint Foundation. )
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Question by:dkumeri
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6 Comments
 
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Expert Comment

by:arduk
ID: 34910859
I would start by checking your kerberos configuration.

This sounds (with the limited information that has been provided) like it may be as a result of the double hop issue.

If your datasource connects to server other than your sharepoint server, the sharepoint server will not be able to pass your credentials through if you are using NTLM authentication - you will need to either configure the datasource to use a specific user account, or you will need to configure Kerberos so that your credentials can be passed through.

Hope this helps...
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Author Comment

by:dkumeri
ID: 34911016
How I can configure the datasource to use a specific user account?
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Expert Comment

by:arduk
ID: 34911055
assuming you are connecting to a database, you can specify the user account in the connection string....see http://connectionstrings.com for samples of just about every connection string you will ever need...
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Author Comment

by:dkumeri
ID: 34911298
I guess bit of misunderstanding.
The problem is - when I upload a ssrs report in SharePoint library and when click on the options and try to open the data source then it shows the error. I can't even see the data source. I have attached images.
Error.JPG
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Accepted Solution

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arduk earned 500 total points
ID: 34911747
I am not sure exactly what happens when you choose "Manage data sources" - it may try to open the actual data source?
Is it only this data source that this occurs on?
can you right click the datasource, and download it to file, and then change the connection string and upload it again?
Also, check the logs on the sharepoint server for any additional information that may be useful...
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Author Closing Comment

by:dkumeri
ID: 35199607
thanks
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