Hi ,
I think you replaced old certificate correctly.
Have you replaced old certificate with new one. Please check in Security, SSL key management and manage endpoint security.
Check here all nodes for inbound and outbound. If you are mapped with old certificate or new certificate.
If you are not mapped, please map here. Please restart it once.
You are not created new certificate for DMGr. You created new certificate for nodes and webserver. You are checking certificate for DMGr or Nodes.
Try to access the application with that perticular node, we can see application is using which certificate.
If you are checking for DMgr console certificate this is old.
Please correct me, if i am wrong.
Please cross check.
Thanks,
Chinna.