Thank you Jim. We have no Cisco firewalls, but all Cisco switches, routers. A new switch may have went in last week. We also are in the middle of a Cisco VOIP project, past 6 months. Phones all up, but they are still working out tweaks, etc. Trying to make a "Jabber" client work on desktops and PDAs.
Something on the Cisco side I should dig into? From: Kennedy, Jim [mailto:[email protected]] Sent: Wednesday, January 23, 2013 1:14 PM To: NT System Admin Issues Subject: RE: DNS concerns - Server 2003 R2 SP2 Domain Controllers Did someone put in a shiny new Cisco firewall this past weekend? From: Robert Peterson [mailto:[email protected]] Sent: Wednesday, January 23, 2013 2:02 PM To: NT System Admin Issues Subject: DNS concerns - Server 2003 R2 SP2 Domain Controllers Hoping this is an old problem and someone has ideas? We have Server 2003 R2 SP2 Domain Controllers, four of them. Since this past weekend, we saw a large increase in Event 5504 warnings. Eventually the DC gives an Event 7502 and DNS services hang. When DNS hangs, memory usage of the DNS service has grown to 800,000K, after reboot the memory usage starts around 50,000K. Found a registry setting to add an EnableDuplicateQuerySuppression DWORD "0" setting. This has stopped the memory growth/leaks, and replaced the 5504 errors with numerous 404 and 408 errors, till probably due to the registry change to suppress "dups" it has quit logging those. DNS memory usage is stable around 100,000K and DNS services to our users is remaining stable too. However, I feel this is just a stopgap and I need to resolve the real culprit... thoughts? Ideas? As always... great listserv & thanks! Robert ~ 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]<mailto:[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]<mailto:[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
