A. If your NT 4.0 server can't resolve Fully Qualified Domain Names (FQDNs) and each attempt results in the following messages in the System log, your cache.dns file is probably corrupt:
DNS Server sendto () function failed. The data is in error.
DNS_EVENT_SENDTO_CALL_FAILED DNS Server sendto() function failed.
The data is the error.
To resolve these errors, replace the cache.dns file with the template version that NT copies to your computer during OS installation by performing the following steps:
- Click Start, Run, and type
cmd.exeto open a command prompt.
C:\> net stop DNSto stop the DNS service.
C:\> copy %systemroot%\system32\dns\samples\cache.dns %systemroot%\system32\dnsto replace the current cache.dns with the template version.
C:\> net start DNSto start the DNS service.
C:\> exitto exit the command window.