请确保您所安装的计算机上未安装任何防病毒软件've MARS代理商.这可能会阻止某些文件并导致备份失败.

Make sure you don't have any anti-virus software installed on the machine where you've MARS agent. This may block certain files and cause backup failures.

在没有警告的情况下，您是否曾经成功进行过备份.如果是，您可能希望o检查是否存在任何可能与MARS代理冲突的环境变化.

Did you ever had successful backups before without warnings. If yes, you may want o check if there were any environmental changes that could be conflicting with MARS agent.

从C:\ program files \ Microsoft Azure Recovery Services Agent \ Temp检查CBEngine日志，看看是否有助于解决该问题.

Check the CBEngine logs from C:\program files\Microsoft Azure Recovery Services Agent\Temp and see if that helps resolving the issue.