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I have a server called "Otto" This has an internal IP address of

We have had a power failure today, and, although the server room is protected by UPS, things haven't worked properly since. For example. I can RDP to otto by its ip address But not using it's name

When I ping otto, i get this odd respone:

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What is the OS of the server? That looks like an IPv6 address. – DanBig Feb 10 '10 at 15:36
It's Windows 2008 - I have DHCP set up for IPv4... We aren't using ipv6 at all.. or at least not intentionally – alex Feb 10 '10 at 15:37
Definitely IPV6 - ping -4 otto will force it into IPv4 mode. – MattB Feb 10 '10 at 15:40
ok, that's returned the response i was expecting... how can i set the "default" to IPv4?? Up until about an hour ago, pinging otto would of returned – alex Feb 10 '10 at 15:41
up vote 2 down vote accepted

You may disable TCP/IPv6 of local area connection . I had same problem for a while ago. It did solve our RDP problem.

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