Flushing DNS cache

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Guest

I might be bringing this problem to the wrong forum, and if so please forgive
me, but it is DNS related. I have a single domain controller that keeps
losing it's internet connection. I've found that flushing the DNS cache
usually solves the problem so I created a batch file that will flush the
cache when run, but sometimes it doesn't work at all. When that problem
occurs a reboot of the DC will cure it......but this is only a temporary fix.
The DC acts as a stand-alone server for the small business who owns it.

Could it be that the DNS service is corrupted and causing this, and if
that's unlikely what would cause this problem to happen on a daily basis?

Much help needed, very much appreciated.
 
In
dtremain said:
I might be bringing this problem to the wrong forum, and if so please
forgive me, but it is DNS related. I have a single domain controller
that keeps losing it's internet connection. I've found that flushing
the DNS cache usually solves the problem so I created a batch file
that will flush the cache when run, but sometimes it doesn't work at
all. When that problem occurs a reboot of the DC will cure
it......but this is only a temporary fix. The DC acts as a
stand-alone server for the small business who owns it.

Could it be that the DNS service is corrupted and causing this, and if
that's unlikely what would cause this problem to happen on a daily
basis?

Much help needed, very much appreciated.
Click to expand...

Without knowing anything about your configuration, it's COMPLETELY
guesswork. So I'll state what I do *possibly* know about it and hope it
helps, otherwise, it will take some troubleshooting skills to hunt it down.

Is it Windows 2003 or 2000? Here's the answer to 2003:

830381 - Server Responsiveness Degrades and Queries Time Out When You Run
the DNS Server Service:
http://support.microsoft.com/default.aspx?scid=kb;en-us;830381

830905 - DNS Intermittently Stops Resolving Some Host Names:
http://support.microsoft.com/?id=830905

If it is either 2000 or 2003, and you have an ADSL router directly connected
to it that falls asleep with no activity, that will cause DNS Server service
to stop responding. You can set the ADSL router to not time out so it is
constantly connected, or use a DSL/Cable Router to make the connection.

Other than that, I hope someone else may have a better suggestion.

--
Ace

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Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft MVP - Windows Server Directory Services
Microsoft Certified Trainer
Infinite Diversities in Infinite Combinations.
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