Express uses the following four port numbers.
| service name | port number | protocol | Note | 
|---|---|---|---|
| esfexpressmgr | 9853 | tcp | Express manager service for Express client | 
| esfexpressccm | 9854 | tcp | Express manager service for Copy Control Management GUI | 
| sscruisera | 4917 | tcp | Express manager service(Internal use) | 
| nfport | 23456 | tcp | Express manager service(Internal use) | 
Those port numbers are defined in the services file of the system.
Take the following procedure to change the port numbers used by Express.
Open the file "%SystemRoot%\system32\drivers\etc\services" with a notepad.
Pick out the entry of a service name to be changed to change its entry port number.
| # <service name> <port number>/<protocol> [aliases...] [#<comment>] # esfexpressmgr 9853/tcp esfexpressccm 9854/tcp nfport 23456/tcp sscruisera 4917/tcp | 
Save the file "%SystemRoot%\system32\drivers\etc\services" to close.
Reboot the server that is running Express Manager.