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## Troubleshooting Search & Destroy

The following table lists possible reasons why Search & Destroy search tasks may be unsuccessful. Because the Exchange server returns the error results, ScanMail cannot predict all reasons.

#### Possible Reasons Why Search Actions Are Unsuccessful

Error | Possible Reasons | Unsuccessful Mailbox Search Action
--- | --- | ---
Search & Destroy service account is invalid | The service account has expired The password provided is inaccurate The service account is not a member of the Exchange discovery management group | Estimate Matches/Search Delete (message) Delete task and mail in discovery mailbox Stop Search
Discovery mailbox connection error | The Exchange system discovery mailbox is unreachable | Estimate Matches/Search Stop Search
The selected discovery mailbox is unreachable | Estimate Matches/Search Delete (message) Delete task and mail in discovery mailbox
The selected discovery mailbox is full | Estimate Matches/Search
End user mailbox connection error | The end user mailbox is unreachable | Estimate Matches/Search Delete (message)
Exchange web service is unavailable | WinRM error CAS server error | Estimate Matches/Search Delete (message) Delete task and mail in discovery mailbox Stop Search
Parse search result was unsuccessful | The Exchange discovery management group does not have full access permission to the selected discovery mailbox The Exchange web service is unavailable The discover mailbox is not accessible | Search
The current Exchange settings only allow searches of 1 -%N mailboxes. Select a valid number of mailboxes or change the current Exchange settings and try again. | No mailboxes exist in the selected database The number of mailboxes in the selected database exceeds the maximum limit defined in the Exchange throttling policy | Estimate Matches/Search