MAPI Error: "Error Occurred Retrieving SOURCE_KEY Property"

  • Updated

Riva reported a MAPI_E_NOT_FOUND access permission error for a user mailbox that was previously syncing:

2015-01-14 12:22:29,489 ERROR [CTP-cem #70] [38WYC2I8YHOG] Error occurred retrieving SOURCE_KEY property - attempting to extract from EntryID. Please Check User's access permission.
System.Runtime.InteropServices.COMException (0x8004010F): Error in IMsgStore::OpenEntry - 0x000000008CA881F822E67D4EB0290C4F3F7D258D0100475F51F99ACE974A95FE8AAF0CA8E7A0000000A816BC0000: MAPI_E_NOT_FOUND

 

Possible causes

Cause

Examination of the user mailbox in Exchange confirmed that the Delegate Full Access permissions to the Riva connection user for EWS had been removed.

Resolution

Once the permissions were re-assigned, data sync resumed as expected.

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