window command to clear a network port in use

Is there any windows script/command used to clear a network port in use?
For example,  how to clear a port "1099"  if it is in listening state on windows xp system?
JOEANEMAVAsked:
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DonNetwork AdministratorCommented:
From here
http://wiki.answers.com/Q/What_is_the_Dos_command_to_close_an_open_port
 
1)Type

netstat -a -o -n

in command prompt.

2) find the PID number for that port number
3) goto task manager and end process the corresponding PID number.  
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PC_RobCommented:
You can use netstat -b at the command line to show the executable that is using the port in question.

Once you know what is using it, you can stop that program top clear the port.

Regards,

Rob
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DonNetwork AdministratorCommented:
I also like to use this great utility to both view and close open ports
 
 
Currports
http://nirsoft.net/utils/cports.html 
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DonNetwork AdministratorCommented:
"B" ????
what possible more info is needed?? It was a clear and concise answer.
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