bridged network error on windows 10

[miro25]

I installed VirtualBox 5.08 on windows 10 pro which run in a windows domain. Current user had admin rights. A host-only adapter could be installed. When trying to use bridged or host-only networking, the VM(windows 2008 r2 server) refused to start. NAT was ok. After many tries I activated the local Administrator, logged in locally and the VM started fine with bridged networking. From now I could start the VM also as domain user. Maybe this description helps fixing this issue.