dnscmd can list your static addresses. Sorry for being brief - I've got my 9mo sleeping in my arm/lap.
Kurt On Mon, Jun 15, 2015 at 6:54 AM, Michael Leone <[email protected]> wrote: > On Mon, Jun 15, 2015 at 9:52 AM, Kurt Buff <[email protected]> wrote: >> dnscmd is your friend. > > No doubt. What exactly I ask my friend, I don't know ... and what to > look for in the returned responses > > >> >> On Mon, Jun 15, 2015 at 6:05 AM, Michael Leone <[email protected]> wrote: >>> On Mon, Jun 15, 2015 at 8:48 AM, Melvin Backus <[email protected]> >>> wrote: >>>> It sounds like they're getting tombstoned. If they're static IPs try >>>> setting the DNS entries statically as well. >>> >>> Manually entering them into DNS, you mean? I am really trying to avoid >>> entering hundreds of IPs statically into DNS .. >>> >>> And why would they be tombstoning so soon? >>> >>> >>>> >>>> -- >>>> There are 10 kinds of people in the world... >>>> those who understand binary and those who don't. >>>> >>>> -----Original Message----- >>>> From: [email protected] >>>> [mailto:[email protected]] On Behalf Of Michael Leone >>>> Sent: Monday, June 15, 2015 8:41 AM >>>> To: [email protected] >>>> Subject: [NTSysADM] DNS errors after installing Win2012 R2 DCs >>>> >>>> I have installed 3 new Win2012 R2 DCs, which will be the replacements for >>>> my Win2008 R2 DCs. I have repointed everything to use one of the new >>>> Win2012 DCs for DNS, rather than the Win2008 R2. And now I am seeing DNS >>>> errors. >>>> >>>> Specifically, hosts will just drop out of DNS. (these are servers with >>>> static IPs). An nslookup will fail, and examining the zone will show no >>>> record at all for that server (even though that server has been in >>>> existence for years). Doing a "ipconifg /registerdns" on the missing >>>> server does make it show back up in DNS. But why is it dropping out in the >>>> first place? >>>> >>>> Event log on the DNS server (the server listed first in DNS settings for >>>> all my hosts) is showing occasional warnings of event 7062, finding a >>>> packet addressed to itself. Can't imagine what is doing that, I have >>>> checked and this DNS server doesn't have itself as a forwarder, and is on >>>> the notify list of the primary zone (notification is set to all servers on >>>> the NS tab, and this one is). >>>> >>>> So I am not sure what's going on, or what is causing it. >>>> >>>> Zone is set for "Secure only" dynamic updates, aging is set to scavenge >>>> stale records every 7 days (no-refresh and refresh interval) . These >>>> should be the defaults (we haven't changed the zone since we installed the >>>> Win2012 DCs. >>>> >>>> There is 1 wrinkle - we use SolarWinds, and their IPAM (IP Address >>>> Management). That software sets itself to receive zone transfers (so it >>>> can track DNS and DHCP), and so it is listed on the "Zone Transfers" tab, >>>> as an allowed server. But the "Notify" button is set to automatically >>>> notify only servers on the Name Servers tab. >>>> >>>> I know that there is zone transfer working from the SolarWinds server, I >>>> see event log entries showing zone transfer from that server. >>>> >>>> Anybody use this IPAM? >>>> >>>> I am going to try changing the notification list to be manual, and include >>>> the SolarWinds server. >>>> >>>> >>> >>> >> >> > >
