PureMessage for Microsoft Exchange: version 3.0 shows 'Unknown Error' in ExchangeStoreScan.log

Issue

Entries are seen in the ExchangeStoreScan.log similar to the below:

PureMessage store scanning has encountered an application error (details: 'Unknown error')

If application error alerts are enabled for the information store scan the below may also be reported:

"Store scanning has encountered an application error & needs urgent attention. Details: Unknown error"

Sophos product and version
PureMessage for Microsoft Exchange 3.0.0 , this issue is fixed in version 3.0.1

What to do

This issue was fixed with the release of version 3.0.1 and above.

If you need more information or guidance, then please contact technical support.