[dba-Tech] Ports in use

Go to a command prompt and type Netstat -O That will show you a list of the open ports 
and  the Process ID (PID)  of the process which is using each Port. Then go to Task 
Manager and find that process (you may need to go to View - Select Columns to get it to 
show you the PIDs)  

Note also that Task Manager will not necessarily show all processes.  If there is a PID in 
the Netstat list that doesn't appear in Task Manager, grab a copy of Process Explorer 
from 
http://technet.microsoft.com/en-us/sysinternals/default.aspx

In fact, grab a copy anyway, it's a very handy utility :-)


-- 
Stuart

On 22 Feb 2009 at 4:56, Arthur Fuller wrote:

> How do I determine which programs are using which ports? I'm trying to
> install Apache alongside IIS and running into grief. Apache tells me
> something is already listening on port 80.
> 
> Thanks,
> Arthur
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