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

요약: msvmagent_appbackup: De belangrijkste server "NT AUTHORITY\SYSTEM" heeft geen toegang tot de database "SQL_DB1" onder de huidige beveiligingscontext. 153416:msvmagent_appbackup: (Fout: 916) ...

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증상

De beveiligingsintegratie van NetWorker VMware is geconfigureerd met het vProxy-apparaat.  De Microsoft VM App Agent (MSVMAPPAGENT) voor SQL Server applicatieconsistent beveiliging wordt gebruikt om een back-up van een virtuele machine (VM) met Microsoft SQL Server uit te voeren.  De back-up van de VM mislukt wat aangeeft dat de MSSQL Agent geen back-up van het transactielogboek heeft gemaakt.  De sessiegegevens en het sessielogboek van de NetWorker Management Console (NMC) tonen:
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".

De C:\Program Files\DPSAPPS\MSVMAPPAGENT\logs\msvmagent_appbackup.log van de doel-VM toont:

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

Aan de "NT AUTHORITY\SYSTEM" worden geen sysadmin-rechten verleend aan de Microsoft SQL Server-databases.

해결

De MSVMAPPAGENT wordt uitgevoerd onder het SYSTEEMaccount voor databeschermingsbewerkingen.  Configureer alle SQL Server-instanties in de VM om sysadmin-rechten voor 'NT AUTHORITY\SYSTEM'-account te verlenen:

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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