owaauth.dll File Information
  • DLL File Name:owaauth.dll
  • File Type:Win32 DLL
  • Product Name:Microsoft Exchange
  • Developer:Microsoft Corporation
  • File Version:6.5.7638.1
  • File Size:67.5KB (69120 bytes)
  • Language Code:English (U.S.)
  • Character Set:Windows, Latin1
  • MD5 Checksum:d1d63214c8b6a03da9dbff72a927b0c2
  • Copyright:Copyright (C) 1986-2003 Microsoft Corp. All rights reserved.

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fix owaauth.dll error

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Owaauth.dll Errors and Solutions

Microsoft Exchange OWA Form-Based Auth implementation for Windows NT

The file owaauth.dll is a 32bit Windows DLL module for Microsoft Exchange software or other related programs. The file and the associated Microsoft Exchange software was developed by Microsoft Corporation. The file was licensed as Copyright (C) 1986-2003 Microsoft Corp. All rights reserved..

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

To fix the error, you need to copy the missing owaauth.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 6.5.7638.1 with a size of 67.5KB.

How to Install owaauth.dll

You can download owaauth.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 owaauth.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 owaauth.dll & %windir%\SysWoW64\regsvr32.exe owaauth.dll

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Download owaauth.dll
Version OS Size Language Download
6.5.7638.1 32bit 67.5KB 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

Owaauth.dll Security Issue - social.technet.microsoft.com

Hi, we use hackersafe to scan our network for vulnerabilities and they have found one relating to owa which i cannot resolve. they say they can assist as its a ms-


Isapi Filter Error 0x8007007e Owaauth.dll : The Official Microsoft- - forums.iis.net

Odd, that should have been solve dwith the command i gave you to run. how did you run it? was there output after running it in the command line?


Fixing Url Redirect Exploit At /exchweb/bin/auth/owaauth.dll- - forums.techarena.in

We recently migrated to sbs 2003 and over the weekend we ran our mcafee scanalert pci compliance scan on the server. the scan picked up the user specified