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Unusual entry filling up my System Log

Infidel_ asked
Last Modified: 2010-03-18
I keep receiving log entries that look like this:

Registration of the DNS record '2f0d34-a6-dd90-4f21-b719-30a29fd0870_msdcs.xxx.xxx.xxx.xxx 600 IN CNAME yyyy.yyyy.yyyy.yyyy.yyyy' failed with the following error: DNS operation refused.

The xxx's is my domain, the yyy's is my domain controller/DNS server.

I havn't added or attempted to add objects to my active directory... so I don't know what's going on with something someone or something attempting to add DNS entries...

the big string of random crap changes from entry to entry.. usually ends with mscds but not always.. sometimes it's _ldap or _kerberos_ etc.

Any ideas?
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