Hyper-V cannot create VM

When create a VM, you may encounter the following error:

The server encountered an error while configuring memory on TEST. Wizard failed in rolling back the created virtual machine. please delete it manually afterwards.
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The server encountered an error while configuring memory on TEST. Wizard failed in rolling back the created virtual machine. please delete it manually afterwards.

Failed to add device 'Microsoft Synthetic Ethernet Port'.

 

1. 此狀況為防毒軟體所引起,建議先移除防毒再重新建立VM.

2. 當完成上述動作,確認VM 可新增後,請依下列KB,在防毒安裝後先行設定排除資料夾:
Virtual machines are missing in the Hyper-V Manager Console or when you create or start a virtual machine, you receive one of the following error codes: "0x800704C8", "0x80070037" or "0x800703E3"https://support.microsoft.com/kb/961804/en-us