Avamar：Hyper-V 備份失敗，並出現「拒絕存取」錯誤

在這種情況下，我們會遇到 Hyper-V 備份失敗，備份記錄會顯示「AccessDenied」錯誤訊息，如以下範例所示：

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)).

 

這些類型的錯誤不言自明。這些錯誤表示 Avamar 服務 （本機代理程式和叢集代理程式） 的使用者帳戶沒有足夠的權限來執行 Windows Management Instrumentation （WMI） 查詢。

若要解決此問題，請為用於執行 Avamar 用戶端服務的使用者帳戶授予正確的權限。

若要修正備份使用者權限，請遵循以下 KB 文章：
Avamar：Hyper V 附掛程式 - 如何在使用和不使用域管理員許可權的情況下手動創建和配置用戶帳戶。

在「適用於 Hyper-V 的 Dell Avamar 使用者指南」中也有更詳細的提及。請參閱 19.10 版指南的連結，或任何其他 版本，請參閱 Avamar 支援頁面。