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Failed to add emails to PST. Failed to create instance of Redemption COM type

Created by: Nate Oleson
Created date:
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Problem

AD eDiscovery Exchange or Office 365 email collection shows a hit count, but then later goes to "Failed" status.

System Log shows the following error:

Error          Failed to add emails to PST. Failed to create instance of Redemption COM type: 'AccessDataRedemption.RDOSession'. [1]

 

Resolution

  1. Confirm you've installed one of the following versions of Outlook on the collections Work Manager machine:
    Outlook 2007 32-bit Standard or Professional
    Outlook 2010 32-bit Standard or Professional
    Outlook 2013 32-bit Professional Plus

  2. Open a command prompt.
  3. Change your current directory to the Work Manager folder (ie. cd C:\Program Files\AccessData\eDiscovery\Work Manager)
  4. Issue the following command:

    regsvr32 AccessDataRedemption.dll

  5. Try your collection again.

 

Cause

PSTBuilder relies on a locally installed instance of Microsoft Outlook 32-bit. When AD eDiscovery tries to call PSTBuilder to build the collected emails into a PST file, it crashes because the Work Manager component cannot talk to the Outlook 32 bit DLLs required for PST generation.

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