for some reason my queue in exchange 2003 has grown past 4500 and wont

for some reason my queue in exchange 2003 has grown past a 4500 count and I think its somehow related to DNS. I see a repeated DNS error with event ID's 3000/5504/6702. The intern swears he hasnt changed anything (yeah right), & since but Im not an exchange guru Im at a loss. some emails get out some dont.
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sirius7Asked:
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Alan HardistyCo-OwnerCommented:
If you restart the DNS Server Service - does the queue start to reduce?
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GeodashCommented:
Reboot the server. See if it helps.
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sirius7Author Commented:
not by much went from 4731 to 4710
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Alan HardistyCo-OwnerCommented:
Okay - how many servers in your environment and which one(s) are handling DNS for you?

What are your NIC settings on those servers in relation to DNS - where do the servers point to IP wise for DNS?

On the DNS Server (properties) on the Forwarders Tab - what forwarders are setup?  Are your ISP's forwarders added?
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sirius7Author Commented:
1.) we have 1 DC/Exchange/DNS server all on the same server.
2.) 1 nic is manually configed for all dns request while the other is not
3.) no forwarder is set
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Alan HardistyCo-OwnerCommented:
Okay - please configure the forwarders on the DNS Server Forwarders Tab.  Then check on the Monitoring Tab, select both Check Boxes and click on Test Now.  Do you see "Pass / Pass" in the Test Results window?  If you do - deselect both check boxes and restart the DNS Server Service.

Check your queues again after the service has started.

Are you running SBS on your server or plain Windows 2003 / Exchange 2003?
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sirius7Author Commented:
configure the forwarders to? Is Google. 8.8.8.8 still a good resource. Im running plain windows server 2003 standard svc pack 2/exchange 6.5.7. Queue has shrunk to 2045 with no reboot but I did restart DNS. reviewing forwarder
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Alan HardistyCo-OwnerCommented:
Google is okay - better to use your own ISP's DNS IP Addresses, but any forwarder is better than no forwarder.

Restarting the DNS Server Service will have that effec ton the queues, but once the forwarders have been added, then problem should be resolved long-term, not just short-term, which restarting the DNS Server Service without adding the forwarders will achieve.
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sirius7Author Commented:
just checking
added graphic to just check to make sure I did this correctly
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Alan HardistyCo-OwnerCommented:
That's fine.
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sirius7Author Commented:
Im now getting
MSExchangetransport events: 3030/3018/
DNS events: 3000/4521
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sirius7Author Commented:
restarting server
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sirius7Author Commented:
it has brought the queue to 1100 is so slow. is there anything I can do to expidite this?
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Alan HardistyCo-OwnerCommented:
Depends on how big the messages are and how big your pipe is.  If you have loads of big emails, they will take a while to send and delay the other emails.

Have you looked at the queue and checked the size of the emails?

Are the emails all ones that have been sent from your users?

Any from Postmaster?

Sounds like it is making good progress though, albeit slow.
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ash007Commented:
please restart SMTP service and check
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sirius7Author Commented:
finally down to 400. alan thanks again & you can probably let go of my hand now.
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sirius7Author Commented:
thanks again
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Alan HardistyCo-OwnerCommented:
:) - Glad it seems to sorted itself now and thanks for the points.

If it gets worse - do come back for some more TLC.
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