urlauth.dll File Information
  • DLL File Name:urlauth.dll
  • File Type:Win32 DLL
  • Product Name:Internet Information Services
  • Developer:Microsoft Corporation
  • File Version:6.0.3790.3959
  • File Size:15KB (15360 bytes)
  • Language Code:Neutral
  • Character Set:Unicode
  • MD5 Checksum:0a62ff13d83f46c25c2bf37ea7a5f5a4
  • Copyright:© Microsoft Corporation. All rights reserved.
Urlauth.dll Errors and Solutions

Microsoft URL Authorization ISAPI

The file urlauth.dll is a 32bit Windows DLL module for Internet Information Services software or other related programs. The file and the associated Internet Information Services software was developed by Microsoft Corporation. The file was licensed as © Microsoft Corporation. All rights reserved..

urlauth.dll file is a critical component for the software to work properly and without any dll error messages. You may receive an error message like the ones below that indicates the file is not found, damaged, or the wrong version.

  • This application failed to start because urlauth.dll was not found.
  • The file urlauth.dll is missing or corrupted.
  • A required component is missing: urlauth.dll. Please install the application again.
  • Error loading urlauth.dll. The specified module could not be found.
  • The program can't start because urlauth.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • Urlauth.dll is either not designed to run on Windows or it contains an error.

To fix the error, you need to copy the missing urlauth.dll file to your system or replace the corrupted dll file with a working one by following the instructions below. The current version of dll file available on our site is 6.0.3790.3959 with a size of 15KB.

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How to Install urlauth.dll

You can download urlauth.dll for free from the download section on this page. After you download the compressed file, unzip it to a convenient location on your computer. In order to fix dll related errors, you need to copy the .dll file to the installation folder of the application or game, or install .dll file directly to Windows (Windows XP, Vista, Windows 7, Windows 10).

Install DLL File to Program Folder

Copy the extracted urlauth.dll file to the installation folder of the application or game.

Check if the problem is solved. If the problem persists or you are not sure which software is having problems, install the .DLL file directly to Windows.

Register DLL File Using Microsoft Regsvr

Copy the file to "C:\Windows\SysWOW64\" (32bit)

Copy the file to "C:\Windows\System32\" (64bit)

You can install the .dll file in both system folders without any problems. In order to complete this step, you must run the Command Prompt as administrator.

Open the Start Menu and before clicking anywhere, type "cmd" on your keyboard.

Right-click the "Command Prompt" search result and click the "Run as administrator" option.

Paste the following command into the Command Line window that opens up and press Enter key.

%windir%\System32\regsvr32.exe urlauth.dll & %windir%\SysWoW64\regsvr32.exe urlauth.dll

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Download urlauth.dll
Version OS Size Language Download
6.0.3790.3959 32bit 15KB Download

Please note : This is a free download. No guarantees or warranties are given or implied. Please download and install the file at your own risk...

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External Resources

Adding Urlauth.dll As A New Web Service Extension - technet.microsoft.com

Explains how to add urlauth.dll as a new web service extension by using iis manager.


Fix: Visitors Experience Slow Performance, See Picture- - support.microsoft.com

This problem occurs because the urlauth.dll file incorrectly caches the xml authorization store. therefore, the urlauth.dll file must open the xml file every-