I actually meant lookups of other internal hosts. E.g., nslookup host1.internaldomain.local. dc.internaldomain.local
or even the DC itself - nslookup dc.internaldomain.local. dc.internaldomain.local On Mon, Nov 28, 2011 at 9:51 AM, Greg Sweers <[email protected]> wrote: > Sorry should have been more clear. The NSlookup is to the internal DC > server. When you try and query it comes up with service failure or > timeout. **** > > ** ** > > *Greg Sweers* > > CEO**** > > *ACTS360.com* <http://www.acts360.com/>** > > *P.O. Box 1193* > > *Brandon, FL 33509* > > *813-657-0849 Office* > > *813-758-6850 Cell* > > *813-341-1270 Fax* > > ** ** > > *From:* Richard Stovall [mailto:[email protected]] > *Sent:* Monday, November 28, 2011 9:44 AM > *To:* NT System Admin Issues > *Subject:* Re: 2008 R2 DNS strangeness**** > > ** ** > > When you do an nslookup of an external host and it fails, have you tried > doing internal nslookups to see if they continue to work?**** > > On Mon, Nov 28, 2011 at 9:19 AM, Greg Sweers <[email protected]> wrote:* > *** > > We have a single site migrated from 2003 AD to 2008 R2. Physical. We do > have the HyperV role loaded at the request of the client to add a small app > that he might put on there.**** > > **** > > DCdiag reports no issues other than the RODC errors which we have not run. > **** > > EDns has been shutoff. (Confirmed registry entry gets created after its > run)**** > > IPV6 has been disabled. Tried it with it on and off.**** > > **** > > Users can be happily browsing the web for hours or minutes and then when > they hit a google, especially gmail, page cannot be displayed. Usually a > refresh and the page comes up. Sometimes it takes a few minutes and then > all users can browse those sites.**** > > Streaming audio/video, network access, VPN to other site for IP Phone > system all work without issue.**** > > **** > > All computers pull DHCP from server with single DNS of the DC.**** > > **** > > Firewall is a watchguard 11.4.2 XTM that has a single Packet Filter for > DNS allowing all outbound from the trusted network. No proxy or DNS > advanced mechanisms in place.**** > > **** > > When the computer cannot access the webpage, doing an nslookup fails > because the DNS server does not respond. Give it a minute and then it > works fine. **** > > If I move their DNS settings to the previous 2003 box which I configured > with DNS for testing, it works without any issues. Once I move it back to > the DC I get this randomness.**** > > **** > > The DNS server just randomly stops responding during this time. Any > ideas??? I have been banging my head out on this for 2 weeks now. **** > > **** > > *Greg Sweers***** > > CEO**** > > *ACTS360.com* <http://www.acts360.com/>**** > > *P.O. Box 1193***** > > *Brandon, FL 33509***** > > *813-657-0849 Office***** > > *813-758-6850 Cell***** > > *813-341-1270 Fax***** > > **** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin**** > > ** ** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin**** > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to [email protected] > with the body: unsubscribe ntsysadmin > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
