Error -1206 JET_errDatabaseCorrupted: a non-database file or a corrupt database
Microsoft publishes -1206 as a non-database file or a corrupt database. Learn when to activate a copy or restore, and what mailbox repair cannot fix.
Error 1205: Transaction Deadlocked on Lock Resources – Capture Then Cure
Error 1205 kills one session to break a lock cycle. Capture the graph from the system_health session, then fix index and access order, not just retries.