Event ID 20106 in RRAS and Hyper-V server

[chicagotech]

In most cases, Event ID 20106 is something to do with NIC settings. Posting
the result of ipconfig ,ay help. Or check this search result.
Troubleshooting Windows Event IDEvent ID 5805 - Net Logon Event 6005 is
logged on Windows 2008 ... Event id 20106 - Unable to add the interface
Internal with the Router Manager for the IP ...
www.chicagotech.net/wineventid.htm


--
Bob Lin, Microsoft-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com



> Hi
>
> For some reasons (I expect, that's because of the installation of Hyper-V)
> my Servers (2008 and 2008 R2) can't add the interfaces to RRAS anymore
> (all those, that were NOT installed BEFORE the Hyper-V role has been
> added! -> oh, removing Hyper-V does not help, removing RRAS and adding it
> again does also not help... all I could do is reinstalling the whole
> server ... and, that's what I did last time... but... that's not a good
> option!) ... I always get an 20106, error, cannot complete this function
> (which by the way is extremely informative, because now I know, that it
> could be anything...). Now... does someone have an idea what to do? ... I
> mean, there must be someone who programmed the behaviour to log this error
> message in case of my failure... so there must be at least one person to
> know what could cause this... so... MICROSOFT: PLEASE TALK TO ME! ...
>
> thanks a lot...
> Rudolf

[chicagotech]

Why have you installed Hyper-V on a machine which is running as a RRAS
router? That is not a great idea.

Installing the hyper-V role makes big changes to the networking of the
host machine. If you need RRAS I would recommend running it in a vm, not in
the host/parent partition.