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0x80070036SystemMedium

Error 0x80070036 — Network Busy (ERROR_NETWORK_BUSY) | Windows System Error Fix

Windows 11Windows 10Windows Server 2022

What Does 0x80070036 Mean?

The network is busy and cannot handle the request at this time.

Real-World Causes

  1. 1Network congestion from heavy traffic
  2. 2Network adapter buffer overflow
  3. 3Faulty network switch or router
  4. 4Network cable damage causing retransmissions

Symptoms

  • ⚠File transfers over network fail or stall
  • ⚠Network shares become temporarily inaccessible
  • ⚠Intermittent connectivity issues
  • ⚠Slow network performance

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Wait and retry the operation during off-peak hours
  2. 2Restart your router and network switches
  3. 3Check for other devices consuming excessive bandwidth
  4. 4Try a wired connection instead of Wi-Fi

Advanced Fix

For experienced users and IT professionals

  1. 1Check network adapter for errors: 'netstat -e' or in adapter properties > Statistics
  2. 2Update network adapter drivers and firmware

Frequently Asked Questions

Is my internet connection the problem?
This error is about local network congestion, not internet speed. It affects communication between devices on your network. Check for large file transfers, streaming, or backups running on your local network.

Related Error Codes

0x80070035Bad Network Path (ERROR_BAD_NETPATH)0x80070039Unexpected Network Error (ERROR_UNEXP_NET_ERR)

About the Author

Windows Troubleshooting Team

Verified against official Microsoft documentation and real-world diagnostic data. Error behavior confirmed across Windows 10, Windows 11, and Windows Server.