How to flush dns cache on windows domain controller

**DotNetUser** · 09-07-2009

I am in search of a way to flush my DNS cache on my website running under Windows 2003 server. Is this possible? Can I flush dns cache on windows domain controller? Or does anyone have any other ideas how this could be automated?

**Snake08** · 09-07-2009

In Microsoft Windows, you can use the command ipconfig /flushdns to flush the DNS resolver cache:

Code:

C:\>ipconfig /flushdns

You can also use the command ipconfig /displaydns to view the DNS resolver cache.

**Aleksandra** · 09-07-2009

You can also do so using the following script as an alternate:

Code:

dim ws
set ws=CreateObject("Wscript.Shell")
ws.exec "%COMSPEC% /c ipconfig /flushdns"

Just save this script in a file and run it whenever you want.

**BiGMaCHiNe** · 09-07-2009

This can be achieved under Windows 2003 server in two ways:

Start the Microsoft Management Console (MMC). From the View menu, select Advanced. Select and right-click the Cached Lookups tree node from the left-hand pane. Select Clear Cache from the context menu.
From the command prompt, type:
Code:
```
dnscmd /clearcache
```