Re: Event ID 5504

From: Kevin D. Goodknecht Sr. [MVP] (admin_at_nospam.WFTX.US)
Date: 08/03/04


Date: Tue, 3 Aug 2004 13:04:29 -0500

In news:10gvjiig17a3ta9@corp.supernews.com,
cst112 <cst112no-spam-please@yahoo.com> posted a question
Then Kevin replied below:
> I have check all my computer names. They don't have
> spaces or underscores. Some computers have a hyphen but
> do not have any illegal characters. I do have
> printers/photocopiers that use the underscore but that
> doesn't make sense why I would get an error message
> saying there is an invalid packet from my dns server.
>
> Here is the error message again with event id 5504
>
> The DNS server encountered an invalid domain name in a
> packet from 142.165.5.2. The packet is rejected.
> (142.165.5.2 is my isp's DNS server)

For some reason your DNS server may be sending a query for an illegal
single-label top level domain, there was a case a few weeks back, DNS was
querying the ISPs DNS for localhost that was causing the 5504. Creating a
zone named localhost with a blank host with IP 127.0.0.1 stopped the 5504s.
We never figure out why DNS was trying to resolve localhost because machines
should not be sending queries for localhost to DNS in the first place,
localhost should be resolved in the hosts file and should not even go to
DNS.

-- 
Best regards,
Kevin D4 Dad Goodknecht Sr. [MVP]
Hope This Helps
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Relevant Pages

  • Re: Event ID: 5504
    ... > localhost to 127.0.0.1 which is a loopback address. ... your hosts file on all machines? ... localhost shouldn't even go to the DNS server in the first place, ... The packet is rejected. ...
    (microsoft.public.win2000.dns)
  • Re: Problem with local network
    ... > Tim wrote: ... >> I run my own DNS server, and rarely make use of the hosts file. ... >> Since one of your comments related to RNDC not finding localhost, ...
    (Fedora)
  • Re: Event ID: 5504
    ... > localhost entry in forward lookup. ... > generated by a client, it is coming from the internal ... > it sends four queries to each root hint server to resolve ... DNS server would try to resolve a name unless it is asked to resolve it. ...
    (microsoft.public.win2000.dns)
  • Re: Event ID 5504
    ... > spaces or underscores. ... > saying there is an invalid packet from my dns server. ... zone named localhost with a blank host with IP 127.0.0.1 stopped the 5504s. ...
    (microsoft.public.windows.server.dns)
  • Re: Win2K3 DNS Error 5504
    ... The packet will be rejected. ... > test win2k DNS server that doesn't see this error. ... > Could this be related to the Cisco PIX 512byte UDP packet ... There is an article on the Cisco site for the ...
    (microsoft.public.win2000.dns)