SQL 2012 SSRS

I gave a user FULL blown permissions to SSRS Reporting manager, and when they put in the URL and the logon/PW pop up appears, they put in the user name / PW, the following message appears:

An error has occurred during report processing. (rsProcessingAborted)
The execution failed for the shared data set 'Years'. (rsDataSetExecutionError)
Cannot create a connection to data source ' Data source for shared dataset'. (rsErrorOpeningConnection)
Cannot open database "ABC" requested by the login. The login failed. Login failed for user 'AD\ssmith'.

Do I have to do anything at the database end in SQL 2012.  I only gave permissions at the Reports Manager end.

Thanks
zero000koolAsked:
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Vitor MontalvãoMSSQL Senior EngineerCommented:
SSRS has 2 databases (reportserver and reportservertempdb). Did you give permissions on those databases for the user?
Vitor MontalvãoMSSQL Senior EngineerCommented:
SSRS has 2 databases (reportserver and reportservertempdb). Did you give permissions on those databases for the user?
edtechdbaCommented:
Are you able to run this report? Or is it just this one user?
Did you happen to check the data source connection for the report within the Report Manager? It may be that it's searching for a shared data source connection that's not available/recognized in Report Manager.

Any chance you need to set execute or read only permissions for the database object that the report is calling for this specific user?
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zero000koolAuthor Commented:
I gave users read access the reporting DBs above.
They can now see the folders / reports, but they cannot run the reports.

What permissions need to be given to execute reports.

Thanks
Vitor MontalvãoMSSQL Senior EngineerCommented:
You need to give them permissions on RSExecRole roles for the SSRS databases.

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zero000koolAuthor Commented:
I gave them RSExecRole on both reporting db's, and they advise when they run reports they get a blank output.

Is there any other permissions I need to give them?

Thx
Vitor MontalvãoMSSQL Senior EngineerCommented:
Blank output? The reports may not return records at all? Do they have permissions to the tables that are in the reports definition?
zero000koolAuthor Commented:
The blank reports are in Chrome, which has a problem with output , known issue:

http://stackoverflow.com/questions/5968082/ssrs-2008-r2-ssrs-2012-reports-are-blank-in-safari-and-chrome


Also RSexec Role, under no circumstances do you give users permissions to this role:
zero000koolAuthor Commented:
I've requested that this question be deleted for the following reason:

Most of the answers did not work and were wrong.
Vitor MontalvãoMSSQL Senior EngineerCommented:
Can't understand your commentarie to close this question. Your main question was about permissions and after you got the answer from my comment you came with another question about blank report. You should opened another question but I tried to help you anyway.
I need to learn to answer only to the main question!
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