Renewal of SAP Router Certificate

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.