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DNS resolution issues

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2 replies to this topic

#1 TinoNgombo


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Posted 13 February 2017 - 08:59 AM

Hi all.


We have a 2012 R2 DC that is failing to respond to directory service requests. I went to Event Viewer and checked a few warning messages and most warnings have the information displayed in the attached picture.


I need some help on how to fix DNS resolution, so that I can clear that out.


Any suggestions/ideas will be highly appreciated.


Thanks ;)

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#2 Lansight


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Posted 13 February 2017 - 02:35 PM



1. What is the specified DNS that you have setup on the server itself? (You can check this by going into network connections, right click your existing connection, go into Properties>IPv4).

Or if you'd like you can open command prompt and do an "ipconfig /all" command without the quotes. Then show a photo of it?

2. Also has anything changed in the network? A new router or anything that could have DNS turned ON?

#3 JohnnyJammer


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Posted 14 February 2017 - 06:08 PM

it looks like you have another server acting as the DNS server and the one with the error  looks like it has failed to delete the dns pointer.


Yyou may need to reset the machine account using NETDOM.

make sure you can use this command to another server (net use \\secondServer\ipc$), if this is successfull then it has auth to connect.

If it fails then it would likley be a machine password reset using NETDOM

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