Apply below steps to create CSR on SAP Web Application Server
1. PSE specific to each application server that uses a server you need to create a CSR. If you use a system-wide SSL server PSE, then you only need to create a certificate request.
2. Go to Trust Manager window.
3. Expand the node for the SSL server PSE.
4. Each unique to the SSL server PSE:
· Choose application server.
· PSE maintenance section, create a Certificate Signing Request.
· BEGIN ve END to copy the entire contents including tags, paste it into a txt file.