DLLme Status Repository Overview
Libraries 242,039
Validated Hashes 1,794,926
Queued for Validation 20,164
Quarantined 2,356
DLL

urlauth.dll

Download and install urlauth.dll to fix missing or corrupted DLL errors.

(2 Files Available)
Last Updated
Downloads

Repository Analysis

Company
Microsoft Corporation
Product
Internet Information Services
Description
Microsoft URL Authorization ISAPI
Architecture
x86 (32 bit) x86-64 (64 bit)
Metadata Consensus
2/2 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare variant differences.

Companies

  • Microsoft Corporation 2

Products

  • Internet Information Services 2

Descriptions

  • Microsoft URL Authorization ISAPI 2

Frequently Asked Questions

What is urlauth.dll?

Metadata analysis shows urlauth.dll is a Dynamic Link Library (DLL) developed by Microsoft Corporation for Internet Information Services and is described as “Microsoft URL Authorization ISAPI” .

DLL files (Dynamic Link Libraries) are shared core modules used by Windows programs to run efficiently without duplicating code. Most errors occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application, repairing Windows, or replacing the DLL resolves the issue.

How do I fix missing DLL errors?
1

Software Fix

Fully uninstall and reinstall the program causing the error. If you are not sure what program is broken, look at the available file metadata above for hints. If a clean reinstall fails, download and install the DLL file manually.

2

Windows System Fix

Make sure Windows is fully updated. To repair system files automatically, right-click the Start menu, open PowerShell (Admin), and run these two commands in order:

Step A DISM /Online /Cleanup-Image /RestoreHealth
Step B sfc /scannow
How do I install DLL files?
1

Download & Extract

Download the file, right-click the folder, and extract all files to your computer.

2

Install the .DLL

Move the extracted DLL file into the root folder of the software that is giving you the error (where its .exe file is located), or place it in the system directory below:

32-bit → C:\Windows\SysWOW64
64-bit → C:\Windows\System32
3

Restart the Program

Close and reopen the program or game so Windows can look for and load the new DLL file.

How do I register DLL files?

Most DLL files do not need registration. However, if your file is a COM component and requires explicit system registration, follow these steps:

1

Open Terminal

Right-click the Start menu and open PowerShell (Admin) or Command Prompt (Admin).

2

Run Command

Type the command below for your file type and press Enter. You can drag and drop the DLL file directly into the terminal window to fill its path automatically.

64-bit regsvr32 "C:\path\to\filename.dll"
32-bit C:\Windows\SysWOW64\regsvr32 "C:\path\to\filename.dll"

Latest Releases

urlauth.dll
by Microsoft Corporation
for Internet Information Services
Microsoft URL Authorization ISAPI
Version: 6.0.4011.0 (main.030305-2045)
Product Version: 6.0.4011.0
Language: U.S. English (1033)
Uploaded: Nov 24, 2025   Size: 13.5KB
SHA256: 004ef8dafccda9bedfaa27c44cb23f58077d0785b6edc2801395e513232b2e8a
SHA1: 995014b3e2d5e4c3ce769729cdc5c9f74b2ecf20
MD5: 213d183d0a09308136eb286463874432
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
urlauth.dll
by Microsoft Corporation
for Internet Information Services
Microsoft URL Authorization ISAPI
Version: 6.0.3790.3959 (srv03_sp2_rtm.070216-1710)
Product Version: 6.0.3790.3959
Language: U.S. English (1033)
Uploaded: Sep 22, 2023   Size: 21KB
SHA256: ecc6cb729feae70575562c99f76997e3aa9f1d4ca7c7142a2473490312b73210
SHA1: 82abe908b6d499d3b478ccbd539380c2bb6333b9
MD5: 97931dcd8bee0477401b15fd9a1c390d
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD