DLL

authmap.dll

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

(45 Files Available)
Last Updated

Repository Analysis

Company
Microsoft Corporation
Product
Internet Information Services
Description
IIS certmap authentication provider
Architecture
x86 (32 bit) x86-64 (64 bit)
Metadata Consensus
45/45 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare differences between variants.

Frequently Asked Questions

What is authmap.dll?

Metadata analysis shows authmap.dll is a Dynamic Link Library (DLL) and is described as IIS 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 Most errors occur because the DLL is missing, corrupted, or outdated.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 authmap.dll errors?

Most errors involving authmap.dll occur because the DLL is missing, corrupted, or outdated.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 authmap.dll?

To install authmap.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\authmap.dll.
  • 64-bit Install: Place 64-bit DLL files in the System32 folder, C:\Windows\System32\authmap.dll
  • 32-bit Install: Place 32-bit DLL files in the SysWOW64 folder, C:\Windows\SysWOW64\authmap.dll
How do I register authmap.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\authmap.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\authmap.dll".

Latest Releases

authmap.dll
by Microsoft Corporation
for Internet Information Services
IIS 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: 47.5KB
SHA256: 0caa85f123c8a4653c711a9e7577839e820b90582fd124fce8126bc21d671d61
SHA1: dc1a31713f823fe109b725934af9ece83254147e
MD5: ffd45995c309d0210a9dd1318796fb82
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
authmap.dll
by Microsoft Corporation
for Internet Information Services
IIS 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: 78KB
SHA256: c2c7331bcac8536f954a1dde9270adaf79d1af5dbc096a50789f4dcedcb6e8f1
SHA1: 06e2726e6b4d19afe99825061122caa65e68931f
MD5: c773203bd136bd04c61295ad91474f50
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
authmap.dll
by Microsoft Corporation
for Internet Information Services
IIS 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: 39.5KB
SHA256: ee35b3637ee77222517125f8e9f1b89e90e5c8fd49c0a9f40af571f61031f933
SHA1: 0eec32bea98aecb317955f8d30b13f5202480492
MD5: 9cae2a3c59af6718f7840674629e29a6
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
authmap.dll
by Microsoft Corporation
for Internet Information Services
IIS 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: 72KB
SHA256: 21ab99bd955f01b842f9fdfa02dd21c8c307c269c8aff08d9c2bfc101e5654f6
SHA1: 0cd2818ffb2c876acf789a433c34d7506045e849
MD5: c0544c404fda654898e53d546a3f623f
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
authmap.dll
by Microsoft Corporation
for Internet Information Services
IIS 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: 78KB
SHA256: 4cd4904e0dcd92e0a0e5bac8789d5582b2e1d577756ccac427123f9d6d51d089
SHA1: 186a90aff0f7d0932e904b360bd43d4e2c2ef7bf
MD5: d79648e5a92a1889a4d287672b3446c7
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD