Change Password of DPM SSRS account

Problem:

You want to change or have already changed the DPM SQL Reporting Services account password DPMR$<DPMSERVERNAME> after initial install of DPM.

Now when you try to access DPM reports you get this error:

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An error has occurred during report processing. (rsProcessingAborted)

Cannot impersonate user for data source ‘DLS’. (rsErrorImpersonatingUser)

Log on failed. Ensure the user name and password are correct. (rsLogonFailed)

Logon failure: unknown user name or bad password

Solution:

You need to modify the DPMR$<DPMSERVERNAME> password in SSRS also.

To do this go to:

http://DPMSERVERNAME/Reports_MSDPM2012

Click on the DPM Reports folder

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Then click on the DPMReporterDataSource object

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Update the password for the account under "Credentials stored securely in the report server"

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Click "Test Connection" to make sure it is working. Once confirmed click "Apply".

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Now Reports should work again.

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