The DNS server recv () function failed. The event data contains the error.

The DNS server recv () function failed. The event data contains the error. I found an article about running a port probe, but I dont know how to check for this.
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It would help if you posted the Event ID  and the description thats generated.
tt0wnsendAuthor Commented:
Event ID 11  - The DNS server recv () function failed. The event data contains the error.

tt0wnsendAuthor Commented:
I'm sorry - not 11 event aID 7050
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Note sure if u've seen tis already .. pretty old doc.. but worth a try

-> This DNS server is the primary for the zone
-> You have delegated the zone to and are NOT running the zone on this DNS (
-> MUST NOT have an NS record that points at

Note, you should make this check (with nslookup or DNS manager) both on this DNS server and on the server(s) you delegated the subzone to. It is possible that the delegation was done correctly, but that the primary DNS for the subzone, has any incorrect NS record pointing back at this server. If this incorrect NS record is cached at this server, then the self-send could result. If found, the subzone DNS server admin should remove the offending NS record.

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tt0wnsendAuthor Commented:
Thank you very much. My problem is resolved after following that advice. Sorry it took me a few days to be able to do it.
I've also found that this occurs when using any of a number of security scanners.  I get a few events around 1:30am every day when our security probe is doing its thing.  It must be sending some malformed DNS request to simulate an attack...
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