Safe
Free

Windows.Security.Authentication.OnlineId.dll

x64 Windows System
Verified

This is a Core Windows System File

Windows.Security.Authentication.OnlineId.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
Windows.Security.Authentication.OnlineId.dll
Size
972 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

e1ae2bc0c82ce78a702bf61b5b0dcfd1f3f595b2fb9410c571c7d7e6e4eb421e
00664cb058b1e1d2c251513befd8f321
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

972 KB | x64

360 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified