dns exchange issue

[derson]

i have an issue that is driving me mad have a small network with 2 dc and one dns server. every so often my exchange server will start failing to open mailboxes because of name resolution- to fix this stop/start dns cache on the exchange box and all is well till the next time which could be 30-60 mins?? i have a batch running periodiaclly doing this all day which kinda fixes the problem but only as a workaround
any help appreciated this is third post
cheers
derson

 

[doomhamur]

hmm.. first,if your exchange server is runing on a DC, you should have a full dns service running, not just a cache. your dns should be AD integrated on both DC's. Is there a specific reason you have a 3rd DNS server? is it external?

also, the setup of dns on the dc's will have alot to do with this. Whatever the first DC you setup is, that ip address shoule be the first DNS server for every machine in the network (including DC's). your first DC should not be pointing to a different dns server as the first entry.



Doomhamur
Network Engineer
"Certifications? we dont need no stinking certifiaction."
yahoo IM handle: greater_vortex

 

[GlenJohnson]

What's your complete network layout. DNS, DHCP, WINS and all the rest. Name resolution should be fairly stable. Plus, doomhamur is on the money. Good luck.

Glen A. Johnson
Johnson Computer Consulting
MCP W2K



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[derson]

ok thanks for getting back to clarify am running on 1st dc dns/dhcp all win2k so no wins -the ex2k server is not dc or dns but i am running a second dc which also runs dns (after an earlier post recomended this) saying thisd the ex2k does have dns server running as well should i stop this? 9it used to be dns forwarder but not any more)
thanks again
derse