Encountering Microsoft Teams Error Code 657Rx or 9Hehw? These frustrating glitches often pop up during sign-ins, meetings, or app launches, blocking your productivity. Don't worry! π This guide delivers proven fixes to resolve them fast, so you can dive back into smooth collaboration. We've tested these on the newest Teams buildsβlet's get you sorted!
π΅οΈββοΈ What Causes Microsoft Teams Error Code 657Rx and 9Hehw?
These errors typically stem from:
- Corrupted Teams cache buildup.
- Outdated app versions or conflicting updates.
- Network hiccups, firewalls, or VPN interference.
- Profile sync issues or temporary server glitches.
Error 657Rx often hits during authentication, while 9Hehw relates to rendering failures. The good news? 90% resolve with simple tweaks. Follow these steps in order for the best results! π§
β
Step 1: Quick Restart β The #1 Fix for Most Users
Start simple: Close Teams fully (via Task Manager on Windows or Force Quit on Mac), restart your device, and relaunch. This clears temporary glitches.
- Press Ctrl + Shift + Esc (Windows) to open Task Manager.
- End all Teams processes.
- Reopen Teams. β¨
Pro tip: If it persists, proceed to cache clearingβyour next best bet!
π₯ Step 2: Clear Teams Cache (Fixes 657Rx in Seconds)
Cache corruption is a top culprit for both errors. Here's how to wipe it clean:
| Platform |
Steps |
| Windows |
- Quit Teams.
- Press Win + R, type
%appdata%\Microsoft\Teams, hit Enter.
- Delete contents of folders:
Cache, GPUCache, IndexedDB, Local Storage, tmp.
- Restart Teams.
|
| macOS |
- Quit Teams.
- Open Finder > Go > Go to Folder:
~/Library/Application Support/Microsoft/Teams.
- Delete:
Cache, Code Cache, GPUCache, etc..
- Relaunch.
|
| Web Version |
Clear browser cache via Settings > Privacy > Clear browsing data (select Cached images/files). |
Users report this fixes Microsoft Teams Error Code 657Rx instantly! If not, keep going. π
π‘ Step 3: Check Network & Firewall Settings
Errors like 9Hehw scream network issues:
- Run Windows Network Troubleshooter (Settings > Network & Internet).
- Disable VPN/proxy temporarily.
- Add Teams to firewall exceptions: Search "Windows Defender Firewall" > Allow app.
- Test on mobile hotspot for Wi-Fi faults.
Still stuck? Update next! π
β Step 4: Update or Reinstall Microsoft Teams
Outdated versions trigger these codes. Head to your profile icon > Check for updates. No luck? Uninstall/reinstall:
- Download latest from official site.
- Uninstall via Settings > Apps (Windows) or drag to Trash (Mac).
- Reinstall and sign in.
βοΈ Advanced Fixes for Stubborn Teams Error Code 657Rx & 9Hehw
If basics fail:
- Sign out everywhere: Profile > Sign out from all devices.
- Reset Teams settings: Delete
desktop-config.json in cache folder.
- Run as admin (right-click Teams executable).
- Check Microsoft Service Health: Teams Status Portal.
π Common Errors Comparison Table
| Error Code |
Main Cause |
Top Fix |
| 657Rx |
Auth/Cache |
Clear cache |
| 9Hehw |
Network/Render |
Restart + Network check |
π‘ Pro Tips to Prevent Future Errors
- Enable auto-updates in Teams settings. β
- Use wired connection for critical meetings.
- Keep OS updated (Windows Update or macOS Software Update).
- Backup your chats via Export feature.
These steps have helped thousands reclaim their workflow. Fixed it? Share in comments! π If issues linger, contact Microsoft Support via app (Help > Give feedback).
β FAQ: Microsoft Teams Error Code 657Rx & 9Hehw
- Does clearing cache delete my chats?
- No, chats sync from cloud. π
- Error returns after reinstall?
- Try web version or different device.
- Works on mobile?
- Yesβupdate app from store.
You're now equipped to conquer these errors. Happy teaming! π