Wherever a DNS zone is to be updated it is wiped out instead.
The following error can be seen in the Event Viewer:
The DNS server encountered a packet addressed to itself. The packet is for the DNS name "example.com".
The packet will be discarded. This condition usually indicates a configuration error.
The process monitor shows the following information:
There are too many tmp*.tmp files in %win_dir%\TEMP\
Windows cannot create new tmp*.tmp file
Remove tmp*.tmp files.
Execute the following command in command line: