Hi,
Please you follow the below steps:-
1. Go to /usr/sap/saprouter
execute following command :
sapgenpse get_pse -v -r certreq -p local.pse "CN=SAProuter, OU=0000178802, OU=SAProuter, O=SAP, C=DE"
we will get new file named certreq
2. Go To https://service.sap.com/saprouter-sncadd
==> choose apply now
==> choose saprouter
==> copy and paste certreq into the text area
==> we will get new certicate
3. create new file srcert on /usr/sap/saprouter then copy & paste the new certificate
4. Go to /usr/sap/saprouter
execute following command :
sapgenpse import_own_cert -c srcert -p local.pse
sapgenpse seclogin -p local.pse -O exdadm
sapgenpse get_my_name -v -n Issuer