Error Message

使用查看所有writers均正常。

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VSS Writers Status

Status: OK
Description: All VSS writers are working correctly

Writers:

Name: Task Scheduler Writer
Id: {d61d61c8-d73a-4eee-8cdd-f6f9786b7124}
State: [1] Stable
IsOk: True
Error: No error

Name: VSS Metadata Store Writer
Id: {75dfb225-e2e4-4d39-9ac9-ffaff65ddf06}
State: [1] Stable
IsOk: True
Error: No error

Name: Performance Counters Writer
Id: {0bada1de-01a9-4625-8278-69e735f39dd2}
State: [1] Stable
IsOk: True
Error: No error

Name: System Writer
Id: {e8132975-6f93-4464-a53e-1050253ae220}
State: [1] Stable
IsOk: True
Error: No error

Name: ASR Writer
Id: {be000cbe-11fe-4426-9c58-531aa6355fc4}
State: [1] Stable
IsOk: True
Error: No error

Name: IIS Config Writer
Id: {2a40fd15-dfca-4aa8-a654-1f8c654603f6}
State: [1] Stable
IsOk: True
Error: No error

Name: MSSearch Service Writer
Id: {cd3f2362-8bef-46c7-9181-d62844cdc0b2}
State: [1] Stable
IsOk: True
Error: No error

Name: Registry Writer
Id: {afbab4a2-367d-4d15-a586-71dbb18f8485}
State: [1] Stable
IsOk: True
Error: No error

Name: Shadow Copy Optimization Writer
Id: {4dc3bdd4-ab48-4d07-adb0-3bee2926fd7f}
State: [1] Stable
IsOk: True
Error: No error

Name: WMI Writer
Id: {a6ad56c2-b509-4e6c-bb19-49d8f43532f0}
State: [1] Stable
IsOk: True
Error: No error

查看OS日志中，显示Hyper-v VSS警告

*********************************

Status: Warn
Description: Some VSS-related errors or warnings occurred during the previous day

Events:

Timestamp: 11/30/2021 1:35:01 PM
Type: Warning
Source: VSS
Message: A VSS writer has rejected an event with error 0x800423f4, The writer experienced a non-transient error.  If the backup process is retried, the error is likely to reoccur. . Changes that the writer made to the writer components while handling the event will not be available to the requester. Check the event log for related events from the application hosting the VSS writer.   Operation:    PrepareForSnapshot Event  Context:    Execution Context: Writer    Writer Class Id: {66841cd4-6ded-4f4b-8f17-fd23f8ddc3de}    Writer Name: Microsoft Hyper-V VSS Writer    Writer Instance ID: {911b2f20-865f-4d35-ab00-3b8b47ce3777}    Command Line: C:\Windows\system32\vmms.exe    Process ID: 4352
InstanceId: 8229
SearchLink: https://www.google.com/#newwindow=1&q=VSS+event+id+8229

Timestamp: 11/30/2021 1:33:51 PM

检查备份账号信息如下：

查看VHD文件夹，发现备份账号无法写入权限，但可以读取VHD文件 ，添加everyone权限，再次执行备份，hyper-v快照可以正常发起，备份成功。