NetWorker：NMM Hyper-V 备份失败“无法将<VMName>的虚拟机检查点转换为参考点”
Summary:
NMM Hyper-v 备份失败，并显示错误无法转换虚拟机检查点 到参考点。
This article applies to
This article does not apply to
This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
特定虚拟机的 Microsoft （NMM） Hyper-V 备份失败，其他虚拟机备份工作正常。
nsrnmmsv 日志显示：
Date/Time PERF [1728317672]: Post-backup is completed
Date/Time Error:
Date/Time Failed to convert VM checkpoint of <VMNAME> to reference point.
Date/Time Error:
Date/Time Deleting checkpoint of VM <VMNAME> 启用调试级别时， Hyper-v shellmgmt 日志显示：
Datetime:Getting disk identifier for disk ~\Don't delete it\Virtual Hard Disks\System_GUID.avhdx
Datetime:In RunPowerShellScript() function, strScript Get-VHD -Path '~\Don't delete it\Virtual Hard Disks\<diskname>.vhdx' |select -Property DiskIdentifier
Datetime:Failed to get VMHardDiskDrive for the VM <VMNAME> The string is missing the terminator: '.Cause
在备份期间，以下 PowerShell 命令用于获取虚拟机 VHDX 标识符
Get-VHD -Path <VHDX_PaTH> | select -Property DiskIdentifier如果虚拟机名称或路径名称包含不支持的字符，备份将失败。
在此情况下，路径具有 Don't delete it
Resolution
更改虚拟机的名称和/或磁盘路径，避免使用单引号或特殊字符
提醒：
请参阅 Dell NetWorker Module for Microsoft for Hyper-V 指南
支持的特殊字符表列出了 NMM 支持的特殊字符。
特殊字符的使用示例：
● Virtual machine name: VM@emc%1%
● VHD paths: C:\@folder\&^%
● VHD names: C:\folder\VM@emc(1).vhd
● Files and folders inside virtual machine: samplefile!@#.txt
● Folder paths: C:\@folder\&^\sample.txt
● Mount paths: C:\mountSplcharvms\!@#$%
Affected Products
NetWorker Module for MicrosoftArticle Properties
Article Number: 000247114
Article Type: Solution
Last Modified: 13 Feb 2025
Version: 2
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.