Running concurrent SAPEHPI on the same OS

Hello
We have to upgrade more then one SAP system running SAPEHPI, the SAP system are running on the same server.
if running more then SAPEHPI on the same host for diffrent SAP system, tcp port will be busy (4239 and other)
Do you know of a way to run SAPEHPI concurrent on the same server (change of http ports)
TIA
Erez

Hi Erez,
Kindly note that running concurrent EHPI's on the same system is a complicated process and unless very much required better not to use this.
If you run several enhancement package installations in parallel on the
same host, you have to use different port numbers for each. When you
start the installation program, specify the port numbers as follows:
       o httpport=<http port number>
       o guiport=<GUI port number>
       o -srvarg=/DSUService/abaptoolport=<port number for ABAP inst.
          tool>
You can only run multiple SAP Enhancement Package Installer on ABAP only
systems, not on dual stack or Java only systems.
Do you use different port numbers? Are all ports accessible, especially
on the frontend? (See port usage with netstat -a command)
For configuring the different EHPI-Directories you can for instance
use this: usr/sap/<SID>/EHPI
where <SID> is the of the systems, where you execute the EHP
installation.
Please take care that the paths of the different EHPI-Directories
that you will define are not very long!
I hope this answers your query.
Regards,
Abhishek

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I want to control speed of the rotating shaft and force applied by the pneumatic cylinder using two different PIDs from the same program.
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"smartlander" wrote in message
news:[email protected]..
> Hi
>
> I want to control speed of the rotating shaft and force applied by the
> pneumatic cylinder using two different PIDs from the same program.
> I managed to get two PIDs to work separatly using PID control loop
> VI`s supplied with labview 6.1 (I got Kc, I and D right, so there is
> no overshoot). When I try to run
both PIDs within my vi they don`t
> work. I again tried various gains and managed to get one PID to work
> but not the other. Then through trial and error I managed to get a
> second PID to work but I had to change refresh time of the FOR loop
> from 100msec to 1msec.
> Does anyone have experience with running two PIDs in the same program?
> Does the timing of the FOR loop influence PID contorller? Does
> equiring of other data while running PID has effect on the PID?
> I would really appreciate any comments/help. I am pretty thrustrated
> at this time
> Thanks

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