Tag Archives: Msg 821

SQL Error : Msg 821, Level 20, State 1, Line 1 Could not unhash buffer at 0x%p with a buffer page number of %S_PGID and database ID %d with HASHED status set. The buffer was not found. %S_PAGE.

SQL Server Error Message: "Msg 821, Level 20, State 1, Line 1 Could not unhash buffer at 0x%p with a buffer page number of %S_PGID and database ID %d with HASHED status set. The buffer was not found. %S_PAGE." What and Why "this Error": This error occurs when a Microsoft SQL Server finds a problem [...]