SymptomThe following error is seen in the StorageServer log when trying to perform a Integrity Check:
Info: CLIENT\ACCOUNT - Integrity: Quick Integrity Check with Fixes Initiated
Error: CLIENT\ACCOUNT - Integrity: Unable to perform an integrity check while a mirror is in progress
CauseWhen the account has not completed a mirror under certain circumstances, the MS will add the DataindexPending=true flag to the LocalSettings.txt file of this account.
While DataIndexPending=true the Integrity Check process will not be allowed.