Safe
Free

AppointmentActivation.dll

x64 Windows System
Verified

This is a Core Windows System File

AppointmentActivation.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
AppointmentActivation.dll
Size
172 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

ad206f2a9504d19c11c619f48df84696bce4dd056eb67e2c54c362196cd4a21c
7727b2443a6538ecece1afa9e4e577d0
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

172 KB | x64

1,825 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified