Download Iisext51.dll and fix "dll not found" error!

What is Iisext51.dll ?

iisext51.dll - dll file called "" is a part of ADs IIS Extension DLL program developed by Microsoft Corporation.

Some applications or games may need this file to work properly. If iisext51.dll is missing, whenever you start the application/game you may experience various kinds of errors. To fix those errors, please read the Recommended Solution below.

File version: 5.1.2600.2180

File size: 67 kb

MD5 file sum: 222f5a064d19bc0d7adccae98075dbfe

SHA1 file sum: 8f74336c7337e429982b61e0b469a5dc6ceddaa2

Iisext51.dll Error Screenshot

Possible error messages regarding this file:

iisext51.dll is missing

iisext51.dll error loading

iisext51.dll crash

iisext51.dll was not found

the procedure entry point iisext51.dll

iisext51.dll could not be located

iisext51.dll Access Violation

Cannot find iisext51.dll

Cannot register iisext51.dll

Recommended Solution to Fix Dll Error

To fix errors related with .DLL file you need to download iisext51.dll and copy it to the installation folder of the application or game, or copy it into the Windows system folder and it should fix the error. If you don’t know how to install this file, please read our tutorial about How to install DLL files.

You can read more information about iisext51.dll on WikiDll.com