NetWorker: NVP-vProxy: MSVMAPPAGENT SQL Transaction Log Backups Failing "MSSQL Agent failed to create a transaction log backup".

요약: msvmagent_appbackup: Der Serverprinzipal "NT AUTHORITY\SYSTEM" kann unter dem aktuellen Sicherheitskontext nicht auf die Datenbank "SQL_DB1" zugreifen. 153416:msvmagent_appbackup: (Fehler: 916) ...

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증상

Die Integration von NetWorker VMware Protection wird mit der vProxy-Appliance konfiguriert.  Der anwendungskonsistente Schutz von Microsoft VM App Agent (MSVMAPPAGENT) für SQL Server wird verwendet, um ein Backup einer virtuellen Maschine (VM) mit Microsoft SQL Server durchzuführen.  Das Backup der VM schlägt fehl, was darauf hinweist, dass der MSSQL-Agent kein Transaktionsprotokollbackup erstellen konnte.  Die Details und das Sitzungsprotokoll der NetWorker Management Console (NMC) zeigen Folgendes an:
YYYY/MM/DD HH:MM:SS INFO:   [89] MSSQL: Executed MSSQL Agent operation 'backup_transaction_log' on guest VM.
YYYY/MM/DD HH:MM:SS INFO:   [89] MSSQL: Executed MSSQL Agent operation 'monitor' on guest VM.
YYYY/MM/DD HH:MM:SS INFO:   [89] MSSQL Agent: Performing transaction log backup for SQL instance 'VM_NAME'
YYYY/MM/DD HH:MM:SS ERROR:  [89] MSSQL: MSSQL Agent: 
YYYY/MM/DD HH:MM:SS ERROR:  [89] MSSQL: backup_transaction_log: Failure monitoring progress: MSSQL Agent: 
YYYY/MM/DD HH:MM:SS ERROR:  [89] MSSQL: MSSQL Agent failed to create a transaction log backup.
YYYY/MM/DD HH:MM:SS ERROR:  [89] MSSQL: Backup of the application "MSSQL Agent" on the virtual machine "VM_NAME" has failed.
YYYY/MM/DD HH:MM:SS INFO:   [89] MSSQL: Disconnected from MSSQL Agent in "VM_NAME".

Die Ziel-VM C:\Program Files\DPSAPPS\MSVMAPPAGENT\logs\msvmagent_appbackup.log zeigt Folgendes an:

52701:msvmagent_appbackup: Command line: C:\Program Files\DPSAPPS\MSVMAPPAGENT\bin\msvmagent_appbackup.exe -i - 
37693 MM/DD/YYYY HH:MM:SS msvmagent_appbackup NSR info SQL Connection to VM_NAME is created. SQL Server Version is 13.00.5026
...
153887:msvmagent_appbackup: Microsoft SQL server documentation provides details about the following SQL Server Provider error:
38008:msvmagent_appbackup: The server principal "NT AUTHORITY\SYSTEM" is not able to access the database "SQL_DB1" under the current security context.
153416:msvmagent_appbackup: (Error: 916)
37938:msvmagent_appbackup: Failed to obtain filegroups for SQL_DB1.
Backing up SQL_DB1...
172257:msvmagent_appbackup: Backup of SQL_DB1 failed.

원인

"NT AUTHORITY\SYSTEM" wird den Microsoft SQL Server-Datenbanken keine sysadmin-Rechte gewährt.

해결

Der MSVMAPPAGENT wird unter dem SYSTEM-Konto für Data-Protection-Vorgänge ausgeführt.  Konfigurieren Sie alle SQL Server-Instanzen in der VM, um sysadmin-Rechte für das Konto "NT AUTHORITY\SYSTEM" zu gewähren:

image.png

해당 제품

NetWorker

제품

NetWorker
문서 속성
문서 번호: 000055925
문서 유형: Solution
마지막 수정 시간: 12 6월 2025
버전:  5
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