At '%8' database copy '%1' on this server exceeded the configured maximum database size and service recovery was not attempted. ...

At '%8' database copy '%1' on this server exceeded the configured maximum database size and service recovery was not attempted. Please increase the value of this registry key on the server hosting the active database copy before attempting to mount this database. For more details about the failure, consult the Event log on the server for other storage and "MSExchangeIS" events.