Virtual Server could not open its emulated Ethernet switch driver. To fix this problem, re-enable the Virtual Server Emulated Et

公司网络设置变更之后，发现Vistual Server 2005 R2连接出现错误：Virtual Server could not open its emulated Ethernet switch driver. To fix this problem, re-enable the Virtual Server Emulated Ethernet Switch service on one or more Ethernet adapters or reinstall Virtual Server。

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After reinstall network adapter the following errors may appear on Windows 2003 Server with Virtual Server 2005 R2:

Virtual Server could not open its emulated Ethernet switch driver. Access to the external network and host will be unavailable to all guests using the "HP NC7761 Gigabit Server Adapter" adapter. Guests using Virtual Switch will still be able to access other guests using Virtual Switch.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. User: NT AUTHORITY/NETWORK SERVICE
Event ID: 1047
Source: Virtual Server
Category: Virtual Server:
Type: Error

or/and:

Virtual Server could not open its emulated Ethernet switch driver. To fix this problem, re-enable the Virtual Server Emulated Ethernet Switch service on one or more Ethernet adapters or reinstall Virtual Server.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp 
User: NT AUTHORITY/NETWORK SERVICE
Event ID: 1044
Source: Virtual Server
Category: Virtual Server:
Type: Error

解决方法：

To resolve the following try to use the following options:

Option 1:

a. Verity that "Virtual Machine Network Service" bind to the reinstall "Network Adapter".

b. Reboot the server.

Option 2:

a. Reinstall "Virtual Machine Network Service" service by installing *.inf files from:

C:/Program Files/Microsoft Virtual Server/Drivers/VMNetSv/x86

For Virtual Server 2005 R2 - 32 Bit Edition

C:/Program Files/Microsoft Virtual Server/Drivers/VMNetSv/x64

For Virtual Server 2005 R2 - 64 Bit Edition

b. Reboot the server.

Option 3:

a. Backup all your *.VMC and *.VHD files.

b. Stop the "Virtual Helper" and "Virtual Server" services.

c. Remove Virtual Server from "Add/Remove Program" under the "Control Panel".

d. Reboot the server.

e. Delete the directories and there contents:

"C:/Document and Settings/All Users/Application Data/Microsoft/Virtual Machine Helper"

"C:/Document and Settings/All Users/Application Data/Microsoft/Virtual Server"

"C:/Document and Settings/All Users/Application Data/Microsoft/Virtual Server Webapp"

"C:/Document and Settings/All Users/Shared Virtual Machines"

"C:/Document and Settings/All Users/Shared Virtual Networks"

"C:/Document and Settings/<your user name>/Application Data/Microsoft/Virtual Server"

f. Reinstall Virtual Server 2005

我重装了Virtual Server 2005，现在可以连接网络，但不能连接到本机..