i'm sorry.
i executed the command: mount-database mbx_dna -force
Failed to mount database "mbx_dna". Error: An Active Manager operation failed. Error: The database action failed.
Error: Operation failed with message: MapiExceptionDatabaseError: Unable to mount database. (hr=0x80004005, ec=1108)
Diagnostic context:
Lid: 65256
Lid: 10722 StoreEc: 0x454
Lid: 1494 ---- Remote Context Beg ----
Lid: 45120 dwParam: 0x888A605
Lid: 57728 dwParam: 0x888A76C
Lid: 53632 dwParam: 0x888A9AE
Lid: 61824 dwParam: 0x888A9AE
Lid: 45440 dwParam: 0x888AAA8
Lid: 37248 dwParam: 0x888AAA8
Lid: 41344 Guid: 8cbc188d-c8ae-4127-91d4-2f63e6745333
Lid: 35200 dwParam: 0x3284
Lid: 46536 StoreEc: 0xFFFFF9BB
Lid: 41344 Guid: 8cbc188d-c8ae-4127-91d4-2f63e6745333
Lid: 35200 dwParam: 0x3284
Lid: 46144 dwParam: 0x888ACAC
Lid: 34880 dwParam: 0x888AD19
Lid: 56264 StoreEc: 0x1388
Lid: 46280 StoreEc: 0x454
Lid: 1750 ---- Remote Context End ----
Lid: 1047 StoreEc: 0x454 [Database: MBX_DNA, Server: S-EXCH-1.domain.lan]
+ CategoryInfo : InvalidOperation: (MBX_DNA:ADObjectId) [Mount-Database], InvalidOperationException
+ FullyQualifiedErrorId : [Server=S-EXCH-1,RequestId=1c4eeb20-cf5b-44a8-a230-28fd2871cead,TimeStamp=7/16/2015 6:02
:21 AM] [FailureCategory=Cmdlet-InvalidOperationException] B01A92,Microsoft.Exchange.Management.SystemConfiguratio
nTasks.MountDatabase
+ PSComputerName : s-exch-1.domain.lan