Safe
Free

SessEnv.dll

x64 Windows System
Verified

This is a Core Windows System File

SessEnv.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
SessEnv.dll
Size
568 KB
Version
10.0.20348
Architecture
x64
Source
Windows system
Part of
Windows System

Hash Verification

cb4f9c194e80d6bb9dc1cb985eadcec6d5ea3f569953158ca24f3f0b74c9cf78
609275cbb20b61911aae5e422b0f2b3f
ADVANCED

Manual DLL Download

Only if installer doesn't work

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

568 KB | x64

2,175 downloads

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

Official Microsoft source

Malware scanned

SHA-256 verified

Other Versions

SessEnv.dll
x86