Avamar：Hyper-V 备份失败并显示拒绝访问错误

在这种情况下，我们遇到 Hyper-V 备份失败，备份日志显示“AccessDenied”错误消息，如下例所示：

From Hyper-V Plugin log:
================
avhypervvss Info <0000>: Error in connecting with the namespace: Exception 'GetWmiConnection : Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))'
avhypervvss Info <0000>: Failed to get the VM info: Excpetion 'GetWmiConnection : Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))'
avhypervvss Info <0000>: QueryVmsBasic : QueryVmsBasic : GetWmiConnection : Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
avhypervvss Info <0000>: QueryVmsFull : QueryVmsBasic : QueryVmsBasic : GetWmiConnection : Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
avhypervvss Info <0000>: GetClusterVMs : QueryVmsFull : QueryVmsBasic : QueryVmsBasic : GetWmiConnection : 
                         Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
avhypervvss Info <0000>: Exception in GetClusterVMs GetClusterVMs : QueryVmsFull : QueryVmsBasic : QueryVmsBasic : GetWmiConnection :
                         Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)).

avhypervvss Error <41753>: Unable to get the clustered VMs for backup. 
avhypervvss Error <41731>: Failed to collect the list of local VMs on this host
avhypervvss Error <41581>: Failed to backup targets. Unable to expand targets.
avhypervvss Error <41662>: Failed to validate and expand the targets.
avhypervvss Error <41659>: Backup did not complete successfully


From cluster service log:
================
winclustersvc DEBUG<0000>: ===> QueryVmsFull 
winclustersvc INFO<0000>:  Get the basic info for the target VMs 
winclustersvc INFO<0000>:  Start getting the basic of the VMs 
winclustersvc DEBUG<0000>: Connect with namespace '\\xxxxxxxx\root\virtualization\v2' 
winclustersvc ERROR<0000>: Error in connecting with the namespace: Exception 'GetWmiConnection : Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))' 
winclustersvc ERROR<0000>: Failed to get the VM info: Excpetion 'GetWmiConnection : Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))' 
winclustersvc ERROR<0000>: QueryVmsBasic : QueryVmsBasic : GetWmiConnection : Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)) 
winclustersvc ERROR<0000>: QueryVmsFull : QueryVmsBasic : QueryVmsBasic : GetWmiConnection : Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)) 
winclustersvc ERROR<0000>: GetClusterVMs : QueryVmsFull : QueryVmsBasic : QueryVmsBasic : GetWmiConnection : 
                           Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)) 
winclustersvc ERROR<0000>: Exception in GetClusterVMs GetClusterVMs : QueryVmsFull : QueryVmsBasic : QueryVmsBasic : GetWmiConnection : 
                           Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)).

 

这些类型的错误是不言自明的。这些错误意味着 Avamar 服务的用户帐户（本地代理和群集代理）没有足够的权限来运行 Windows Management Instrumentation （WMI） 查询。

要解决此问题，请向用于运行 AvamarClient 服务的用户帐户授予正确的权限。

要更正备份用户权限，请按照以下知识库文章进行操作：
Avamar：Hyper V 插件程序 — 如何在使用和不使用域管理员权限的情况下手动创建和配置用户帐户。

“Dell Avamar for Hyper-V 用户指南”中也更详细地提到了这一点。请参阅 版本 19.10 的指南链接，对于任何其他版本，请参阅 Avamar 支持页面。