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Should I have IPv6 enabled on my SBS08 domain?

Hey guys,

I just built up a SBS08 domain and keep getting an EVENT ID 91 error coming up. Looked into it and it says to ping your FQIDN and see what comes back...well I keep getting reply from the IPv6 address rather than the IPv4 address(192.168.16.x) and not sure if this is suppose to be happening???

Why would I need IpV6 enabled and should it be??

Please help..
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sbodnar
Asked:
sbodnar
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2 Solutions
 
ICaldwellCommented:
Sounds like your network is setup as a IPv4 instead of IPv6.... You should be able to run side by side without any problem...  There are known issues if you disable it....

http://blogs.technet.com/sbs/archive/2008/10/24/issues-after-disabling-ipv6-on-your-nic-on-sbs-2008.aspx

Information about Properly Disabling IPv6 is listed at the bottom of the article, you can disable it if you like...

Hope this helps
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Rob WilliamsCommented:
With SBS 2008 IPV6 is enabled by default and it is recommended you leave it enabled.
However the normal response even with IPV6 is an IPV4 reply.
Try running the "Fix My Network" wizard located under the SBS management console / network / connectivity.

It would also be a good idea to run the Best Practices Analyzer:
http://www.microsoft.com/downloads/details.aspx?familyid=86a1aa32-9814-484e-bd43-3e42aec7f731&displaylang=en
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sbodnarAuthor Commented:
RobWill;

It states that:

the DHCP is not configured for IPv6

and

DNS is using a DNS forwarder

any suggestions on how to repair this???
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ICaldwellCommented:
DNS is using a DNS forwarder means that your using root hints, this is how the internet works and is correct... It is less secure if you want to lock out your DNS server from other ones, you do not need to change this... DHCP is not configured for IPv6 is also fine since your using IPv4.

You can ignore both of these messages, they are just warnings and not problems, eventually you will go to IPv6.
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Rob WilliamsCommented:
Using a DNS forwarder is fine, but the default with SBS 2008 is to use root hints.
I would run the "Fix my network" wizard, just for clean up reasons, and then run the C"Connect to the Internet" wizard, it should repair both items. It sounds like this may have been a migration from SBS 2003 ? and, inherited 2003 defaults. It is important to always use thewizards as they "tweak" all the inter-related components of SBS.
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