⚠️ 2 verified solutions available for Error 6845 — Last updated 2026-02-24
Error 6845 📋

Fix ERROR_TM_IDENTITY_MISMATCH — Windows Error Code 6845

Error 6845 (ERROR_TM_IDENTITY_MISMATCH) is a Windows Networking error that occurs when the call to create a transactionmanager object failed because the tm identity stored in the logfile does not match the tm identity that was passed in as an argument.. This guide provides step-by-step solutions to resolve this issue.

🏷️ Code: 6845 📛 ERROR_TM_IDENTITY_MISMATCH 📅 Updated: 2026-02-24 ⏱️ 2 Solutions
⚡ Quick Fix

Complete Network Reset: Open Command Prompt as Administrator

👇 See all 2 solutions below
🐞 Auto-Fix Script for Error 6845
⚠️ How to use: Open PowerShell as Administrator, paste the code above, and press Enter.
✓ Safe & Transparent ✓ No Downloads Required ✓ Review Before Running
📑 Table of Contents
What is Error 6845? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 6845?

Windows System Error Code 6845, known as ERROR_TM_IDENTITY_MISMATCH, is a Networking error that occurs during advanced networking, Winsock, and IPSec. The error indicates that: The call to create a TransactionManager object failed because the Tm Identity stored in the logfile does not match the Tm Identity that was passed in as an argument. When this error is encountered, the Windows operating system was unable to complete the requested operation within the networking stack subsystem. The error code 6845 is returned by the GetLastError() function and provides developers with a specific identifier to diagnose the root cause of the failure. The symbolic name ERROR_TM_IDENTITY_MISMATCH maps directly to this numeric code and is commonly referenced in Microsoft documentation, developer forums, and system logs. Understanding this error and its context within advanced networking, Winsock, and IPSec is essential for effective troubleshooting.

⚠️ Common Causes

  • System resource conflict: The call to create a TransactionManager object failed because the Tm Identity stored in the logfile does not match the Tm Identity that was passed in as an argument.
  • Network driver outdated/incompatible
  • TCP/IP stack corruption
  • IP configuration incorrect
📚 Comprehensive Guide

Resolving Component Store (WinSxS) Bloat and Corruption

An encyclopedia on the Windows Component Store: safely reclaiming disk space, understanding hard links, and fixing deep WinSxS corruption.

Read the full guide →

✅ Step-by-Step Solutions

1 Complete Network Reset
  1. Open Command Prompt as Administrator
  2. Run: netsh winsock reset && netsh int ip reset
  3. Run: ipconfig /release && ipconfig /renew
  4. Restart your computer
Advertisement
[AdSense In-Article Ad Generator]
Show Advanced Solutions (1 more)
2 Advanced Diagnostic for ERROR_TM_IDENTITY_MISMATCH
  1. Open Windows Event Viewer (eventvwr.msc)
  2. Navigate to Windows Logs → System to find Event ID 6845
  3. Look for associated warnings that occurred immediately before the system crashed
  4. Right-click the entry and export the log file for further analysis

🎬 Video Tutorials

▶️ Watch Video Tutorials
How to fix Error 6845 (Tm Identity Mismatch)
Open on YouTube →

💻 Diagnostic Command

Run this PowerShell command to find related events in your system log:

Get-EventLog -LogName System -Newest 20 | Where-Object {$_.Message -like "*6845*" -or $_.Message -like "*ERROR_TM_IDENTITY_MISMATCH*"} | Format-List

💡 Open PowerShell as Administrator, paste the command above, and press Enter.

🛡️ Prevention Tips

  • Update drivers from manufacturer site
  • Monitor network utilization
  • Document network configuration
Was this helpful?
Last updated: 2026-02-24
📖
Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-02-24.
🔧 Diagnose Your Error