VM's loses/lost connection to host after installation DC-role

[15W-GRIZZLIES]

Hi Everyone,

I'm having troubles with my Win 2012 R2-server.


Situation before: HOST - VM's - NETWORK could ping eachother.
Things I've done: installed feature "DC DS" on server, all VM's started to suddenly lose networkconnectivity.
Situation as it is: No more pings possible between HOST and VM's.

Ping between VM's ==> OK
Ping between HOST ==> switch - other devices in network => OK
Ping between HOST and VM ==> NOT OK.



Who knows what my issue could be?


Thanks for reading.

Grtz

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