How to Fix Fix Error 0x80072EE7 — URL/Server Name Could Not Be Resolved on Windows
Getting error 0x80072EE7 "The server name or address could not be resolved" during Windows Update, Store, or activation? Fix this DNS/connectivity error.
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Main Troubleshooting Guide
How to Fix Windows Update Errors →Complete symptoms, causes, and step-by-step solutions
Symptoms
You might be experiencing this problem if you notice:
- •Windows Update fails with error 0x80072EE7
- •Microsoft Store shows "server stumbled" with this error
- •Windows activation fails — can't reach activation servers
- •"The server name or address could not be resolved"
- •Xbox app or Game Pass can't connect with 0x80072EE7
- •Windows Security definition updates fail with this error
Common Causes
- ⚠DNS resolution failure — can't resolve Microsoft server names
- ⚠Internet connection working but DNS misconfigured
- ⚠Proxy or VPN interfering with Microsoft service connections
- ⚠Windows hosts file blocking Microsoft domains
- ⚠Firewall or security software blocking outbound connections
- ⚠ISP DNS servers experiencing issues
Solutions
Solution 1: Fix DNS Resolution
- 1First test: can you browse websites normally?
- 2If no: fix internet connection first
- 3If yes: DNS is likely the issue for Microsoft services
- 4Flush DNS: CMD as Admin: ipconfig /flushdns
- 5Switch to reliable DNS servers:
- 6Settings → Network & Internet → your connection → DNS server assignment → Edit
- 7Set to Google DNS: 8.8.8.8 and 8.8.4.4
- 8Or Cloudflare: 1.1.1.1 and 1.0.0.1
- 9Try the operation again
Solution 2: Check Hosts File and Proxy
- 1Check if hosts file is blocking Microsoft:
- 2Open Notepad as Admin → File → Open:
- 3C:\Windows\System32\drivers\etc\hosts
- 4Look for lines containing microsoft.com, windowsupdate.com, or live.com
- 5Delete any lines blocking Microsoft domains → save
- 6Check proxy: Settings → Network & Internet → Proxy
- 7Turn OFF "Use a proxy server" (unless required by your network)
- 8Disable VPN temporarily and retry
Solution 3: Reset Network and Retry
- 1CMD as Admin — full network reset:
- 2netsh winsock reset
- 3netsh int ip reset
- 4ipconfig /release
- 5ipconfig /renew
- 6ipconfig /flushdns
- 7Restart PC after running all commands
- 8If on corporate network: contact IT — firewall may be blocking
- 9Test: nslookup windowsupdate.microsoft.com — should resolve to IP addresses
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