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DNS Event log error 5509???

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6 replies

by able-admin

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"The DNS server encountered an invalid DNS update message from 65.2.44.228. The packet was rejected. "

65.2.44.228 is my Domain Controller and DNS Server

I've come across this one answer http://www.jsifaq.com/SUBG/TIP3400/rh3474.htm but, seing as my server is running win2k server SP3 it doesn't apply.

the netbios and dns name of the server (and every computer in the domain for that matter) contain no special characters.

any ideas?

6 replies

by jaystar

Well,
Since you believe you haveno special characters I would turn on the part of Microsoft's DNS taht will allow it to accept any name in the DNS registrations as illistrated in the Technet article Q288176.

If the issue goes away start looking through your DNS entries for a name with a special character, which is pretty much everything except the -

Good luck, let us know what happens.

by able-admin

I should also add that things have been running smoothly for a few years now. nothing dramatic has happened that would kick this error off.

by carsten.holfelder

In your forward lookup zone - your primary zone in its properties there is a setting that asks to allow dynamic updates, set it to yes.
If that doesn't help, check to see that your DNS suffix setting in your IP configuration is the same as your Primary zone.
Also I would check your reverse lookup zone and make sure it points to the correct IP addresses.

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