If the IP address has been changed and other clients keep using the old IP address, run “ipconfig /flushdns” to update the IP address in the client (For Windows only).
Bruce Ng's software development blog
An archive of solutions of programming problems I have faced in my career
If the IP address has been changed and other clients keep using the old IP address, run “ipconfig /flushdns” to update the IP address in the client (For Windows only).