This how to guide describes configuring SAP Web Dispatcher as a reverse proxy for the SAP Enterprise Portal so that you can easily publish the SAP Portal over the Internet.
Step: 1
Copy the following 2 files to a directory on the host where you want to configure the Web dispatcher:
• sapwebdisp.exe • icmadmin.SAR
from the following location of the Portal Server:
drive:usrsapSIDJCxxexe The Uncar the file icmadmin.SAR, using SAPCAR tool. Step: 2 In the Command prompt go to the directory where you have copied the above 2 files and enter,
sapwebdisp -bootstrap
This will generate the profile file (sapwebdisp.pfl) for the first time usage.

Step: 3
After the PFL file is generated successfully as shown above, the URL to call:
https://HOST-FOR-WEBDISP:PORT/sap/wdisp/admin/default.html

User: icmadm
Password: XXXXXXX
The user name and password is generated during the configuration of the Webdispatcher for the first time.

Step: 4
You can access your portal now via following URL:
https://HOST-FOR-WEBDISP:PORT/irj
Step: 5
If you need to run your Webdispatcher again then use the following command from command prompt.
sapwebdisp pf=sapwebdisp.pfl
Check the process running in the Task manager:

Step: 6
You can also install the webdispatcher to run as a NT service. You need to first download ntscmgr.exe from Service Market Place and then use the following command to install the web dispatcher.
NOTE:
Check for the ntscmgr.exe file in the folder driveusrsapSIDJCxxexe folder before trying to download from the Service Market Place.
ntscmgr install SAPWebdispatcher -b drive:usrsapSID JCxxexesapwebdisp.exe -p service pf=sapwebdisp.pfl
Step: 7
If the above command somehow didn’t work properly, to fix this you need to do the following:
1. Edit the registry entry by running the program regedit. 2. Do a search for “SAPWebdispatcher” and change the ImagePath to where your sapwebdisp.exe is currently residing.
drive:usrsapSIDJCxxexesapwebdisp.exe service pf=sapwebdisp.pfl

Step: 8
The URL redirect:
If you want to access the portal using the URL https:// HOST-FOR-WEBDISP:PORT and you are using SAP Webdispatcher, then you need to redirect the above URL to https:// HOST-FOR-WEBDISP:PORT/irj/index.html. This can be achieved by editing the sapwebdisp.pfl file and adding the following parameter,
# SAP Web Dispatcher Web Administration
icm/HTTP/redirect_0 = PREFIX=/, TO=/irj/index.html
After doing this, restart the SAP Webdispatcher.

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