
Command Prompt Port Allocation Troubleshooting Checklist
When a service or application fails to start with a message like "port already in use" or "addres...

When a service or application fails to start with a message like "port already in use" or "addres...

If you get a DNS error when searching in Windows 10—like "DNS server not responding" or "Server D...

You need to forward incoming connections on one port to a different internal port or host, but yo...

You're trying to connect to a remote desktop through a web proxy and you see a 502 Bad Gateway er...

If Windows Terminal opens to a blank window, shows "Failed to load settings" errors, or resets yo...

You're browsing in Chrome and suddenly see 502 Bad Gateway. This error means tha...