Safe
Free

sdohlp.dll

x64 Windows System
Verified

This is a Core Windows System File

sdohlp.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
sdohlp.dll
Size
596 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

480b36240ba1d29bc9bacb954b615a0bd70bee21fe30ff4289f7e4095c57f666
b401ea86ed4aa6856240d509a773c7c8
ADVANCED

Manual DLL Download

Only if installer doesn't work

This is a last resort. Try the official installer first.
Download ZIP

596 KB | x64

4,886 downloads

Manual Installation Steps
  1. 1 Extract the ZIP file
  2. 2 Copy to C:/Windows/System32/
  3. 3 If needed: regsvr32 sdohlp.dll

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

sdohlp.dll
x86