msdadiag.dll
x64
Windows System
Verified
This is a Core Windows System File
msdadiag.dll is a critical Windows component. If it's missing or corrupted, you should repair Windows rather than replace the file manually.
Recommended: Run System File Checker
sfc /scannow
Open Command Prompt as Administrator and run this command.
Why You Shouldn't Just Download the DLL
- DLLs depend on other DLLs - copying one file won't fix the chain
- Runtime packages register components in Windows correctly
- Version mismatches can cause more problems
- The official installer handles all of this automatically
Compatibility
Windows Server 2022
Windows Server 2019
Windows Server 2016
File Details
- Name
- msdadiag.dll
- Size
- 180 KB
- Version
- 10.0.20348
- Architecture
- x64
- Source
- Windows system
- Part of
- Windows System
Hash Verification
ca9819cb36b603b46e24966a98fba469c0b524c39b07511b91b544f6ace7997f
fd0bb2d912405af5a933f4f72c113b8b
ADVANCED
Manual DLL Download
Only if installer doesn't work
This is a last resort. Try the official installer first.
Download ZIP
180 KB | x64
457 downloads
Manual Installation Steps
- 1 Extract the ZIP file
-
2
Copy to
C:/Windows/System32/ -
3
If needed:
regsvr32 msdadiag.dll
Official Microsoft source
Malware scanned
SHA-256 verified
Other Versions
msdadiag.dll
x86