Safe
Free

DDACLSys.dll

x64 Windows System
Verified

This is a Core Windows System File

DDACLSys.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
DDACLSys.dll
Size
48.3 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

a5bd0b061fec0cfd867b5280751df0662e7a4f8d4f994406be36af6fe6a43ca5
d0bf453c89c896389d17def96fd1770a
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

48.3 KB | x64

2,751 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

DDACLSys.dll
x86