Network Adapters Icons Are Missing from Network and Sharing Center.
SYMPTOM
The network adapter icons are missing from Network and Sharing Center. However, you can see the adapters in Device Manager and can access Internet without problems even though a Red X appears at the notification area. The issue persists after uninstalling and reinstalling the NIC drivers.
RESOLUTION
1. Please ensure the following registry key is not missing:
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Network\{4D36E972-E325-11CE-BFC1-08002BE10318}\{759F6019-7C4A-44BD-A9EC-7DC5393874C3}\Connection
Valuename: "Name"
Type: REG_SZ
If it ismissing, create it with a value of "Local Area Connection"
Valuename: "DefaultNameIndex"
Type: REG_DWORD
If it is missing, create it with a value of "0".
Valuename: "DefaultNameResourceId"
Type: REG_DWORD
If it is missing, create it with a value of "0x70b".
2. Ensure the following settings are correct:
1) "HKEY_CLASSES_ROOT\AppID\{27AF75ED-20D9-11D1-B1CE-00805FC1270E}", The default value is ‘netman’, and its subkey:
Valuename: LocalService
Value 'netman'
2) Component Services > Computers > my computer > DCOM Config > "Netman" -> Security tab -> Open "Launch and activation Permissions" -> edit,
add 'LOCAL SERVICE' with 'Local Launch' and 'Local Activation' checked.
add 'NETWORK SERVICE' with 'Local Launch' and 'Local Activation' checked"
3) Reboot the server after making the change.
REFERENCE