At '%8' the Microsoft Exchange Information Store Database '%1' copy on this server experienced a serious error which caused ...

At '%8' the Microsoft Exchange Information Store Database '%1' copy on this server experienced a serious error which caused it to terminate its functional activity. Consult the event log on the server for other storage and "ExchangeStoreDb" events for more specific information about the failure. Service recovery was attempted via remounting on the same active, which was successful.