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Introduction-


Here in this Blog i would like to explain the complete process on How to renew SAP Router Certificate.

Main Activity


Renewing SAP Router Certificate.

 

About SAP Router


It acts as a proxy in a network connection between SAP systems, or between SAP systems and external networks. A standalone SAP program that protects your SAP network against unauthorized access .

Procedure for Renewing SAP Router


Stop Router Service.



  • Login to SAP Router Server and stop Router service.






 

Take backup of SAPROUTER files from OS level.



  • Take a backup of file in usr/sap/saprouter : Cred_v2, srcert, certreq, local.pse


Also you can take a copy of SAPRouter folder


Generating the certificate.



  • Run the following command –


“sapgenpse get_pse -v -r certreq1 -p local.pse”

to generate a certificate in OS level.



  • Enter the new PIN for PSE file two times – ******




  • Now it will ask to provide your Distinguished Name. Give DSN and press Enter.


CN=*********, OU=0000123456, OU=SAProuter, O=SAP, C=DE



  • It will create a new Certificate file “certreq” in the sap router file system.

  • Open the file ‘certreq’ and copy the content or code from that file.






  • Open Support portal and navigate to SAP Router page where your Router is configured and click on Submit CSR




 

  • Paste the copied data from here as shown below and hit on Request Certificate.




  • Copy the generated response.




  • Paste it in “srcert” file and save.




  • Now run the following command and give the PSE Pin :– ********


sapgenpse.exe import_own_cert -c srcert -p local.pse

This command will import the response that copied into “srcert” file.





  • Now run the following command to create a file “cred_v2”.


sapgenpse seclogin -p local.pse -O <saprouter user>

sapgenpse seclogin -p local.pse -O Administrator





  • Verification of the Router can be done by running following command.



sapgenpse get_my_name -v -n Issuer





 

Start SAP Router service




 

Post Verification checks.


 

Validation check in Support Portal



SAPRouter Status check



  • Run the command whether the Router is running or not.


Saprouter -l


SAPRouter Validity check



  • SAP Router Certificate Validity


sapgenpse get_my_name -n validity



 

Conclusion


This is the complete process of renewing SAP Router Certificate. Feel free to post any comments or queries related to this topic.
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