DLL

authcert.dll

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

(39 Files Available)
Last Updated

Repository Analysis

Company
Microsoft Corporation
Product
Internet Information Services
Description
AD certmap authentication provider
Architecture
x86 (32 bit) x86-64 (64 bit)
Metadata Consensus
39/39 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare differences between variants.

Frequently Asked Questions

What is authcert.dll?

Metadata analysis shows authcert.dll is a Dynamic Link Library (DLL) and is described as AD certmap authentication provider .

DLL files (Dynamic Link Library) are used by Windows programs to share code and resources. It allows multiple applications to use the same functions, improving performance and reducing redundancy. Most errors occur because the DLL is missing, corrupted, or outdated.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 authcert.dll errors?

Most errors involving authcert.dll occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application or replacing the DLL resolves the issue. The steps below cover the most common ways to fix DLL errors.

  • Software DLLs: Fully un-install the application and then re-install the latest version. If you are not sure what software is causing problems, check available metadata for clues. If this does not solve your issue, you can try downloading and installing the DLL manually.
  • Windows DLLs: Make sure Windows is fully updated, then open Windows Terminal or PowerShell as an administrator. Repair the Windows component store so SFC can pull clean files DISM /Online /Cleanup-Image /RestoreHealth and then scan all system files sfc /scannow to automatically repair problems.
How do I install authcert.dll?

To install authcert.dll, place the DLL file in the same folder as the application’s .exe file. If you are not sure which version (32-bit or 64-bit) to use, you can safely install both. If you dont know the application or this does not work, install the DLL to the appropriate Windows system folder.

  • Software Install (Recommended): If known, place the DLL file next to the application’s .exe C:\path\to\exe\authcert.dll.
  • 64-bit Install: Place 64-bit DLL files in the System32 folder, C:\Windows\System32\authcert.dll
  • 32-bit Install: Place 32-bit DLL files in the SysWOW64 folder, C:\Windows\SysWOW64\authcert.dll
How do I register authcert.dll?

Most DLL files do not need registration, but some DLLs are COM components and must be registered to work correctly. If registration is required, open Windows Terminal or PowerShell as an administrator.

  • 64-Bit DLL: Register the DLL file regsvr32 "C:\path\to\authcert.dll". (Drag a DLL to automatically fill the full path).
  • 32 Bit DLL: If you are registering a 32-bit DLL on 64-bit Windows, C:\Windows\SysWOW64\regsvr32 "C:\path\to\authcert.dll".

Latest Releases

authcert.dll
by Microsoft Corporation
for Internet Information Services
AD certmap authentication provider
Version: 10.0.26013.1000 (WinBuild.160101.0800) Verified
Product Version: 10.0.26013.1000
Language: U.S. English (1033)
Uploaded: Sep 16, 2025   Size: 32KB
SHA256: bdee559796216cd064f7a3b7776b789b370a065f4d497f1ad125052458edd313
SHA1: b740b4191d11246cb510d89a1fa253cc402171cf
MD5: 2bb77a59bc999f9f4a408d47f2a15ec0
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
authcert.dll
by Microsoft Corporation
for Internet Information Services
AD certmap authentication provider
Version: 10.0.26013.1000 (WinBuild.160101.0800) Verified
Product Version: 10.0.26013.1000
Language: U.S. English (1033)
Uploaded: Sep 12, 2025   Size: 58KB
SHA256: 0537a87ebbcf1a2720d98d919879e86e65845d0f5de9325d99f88ba58dc9ca04
SHA1: 29b7255f35c0cb6eb36d5a6ad57e505919ba864a
MD5: 892d11c66ff00de996538278c1ae9738
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
authcert.dll
by Microsoft Corporation
for Internet Information Services
AD certmap authentication provider
Version: 10.0.26100.1 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.1
Language: U.S. English (1033)
Uploaded: Nov 22, 2024   Size: 56KB
SHA256: e53e005b69795284e4662f7484254fa0bb0f9f9bfa7a8a77ab17737e09fdc2a1
SHA1: 32977be85461f2b1b3abef803be5faf935ce8f11
MD5: 7915185f50ce371be83ce7a2e2617aaa
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
authcert.dll
by Microsoft Corporation
for Internet Information Services
AD certmap authentication provider
Version: 10.0.26100.1 (WinBuild.160101.0800) Verified
Product Version: 10.0.26100.1
Language: U.S. English (1033)
Uploaded: Nov 22, 2024   Size: 23.5KB
SHA256: 98392f96e3a26887ea5e5ba3c4726e4edb5cee87c3b0885b00a2ba21a88eaf9b
SHA1: 3b3cbeb12bfb29babe26ae6781fcdb88c4848723
MD5: a594c7c856a793e24c28e4c2ed923614
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
authcert.dll
by Microsoft Corporation
for Internet Information Services
AD certmap authentication provider
Version: 10.0.26013.1000 (WinBuild.160101.0800) Verified
Product Version: 10.0.26013.1000
Language: U.S. English (1033)
Uploaded: May 20, 2024   Size: 31.9KB
SHA256: afab50ad4a1845f066479b13c0221dda2474da38a6fb55268560cc02902dfb06
SHA1: 5f0a0b37d842406503ac6c66cc0dacec06003f47
MD5: 9ff9bb853e378284838affd934ef25de
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD