Sunday, 6 December 2015

VDP 6.0.1: Server has a weak ephemeral Diffie-Hellman public key

Written by Suhas Savkoor



When you deploy a 6.0.1 VDP appliance in your vCenter, you configure it by going to the VDP configuration page.

               https://<vdp_ip>:8543/vdp-configure

Then, you receive this classic message, "Server has a weak ephemeral Diffie-Hellman public key"



5 simple steps to fix this issue:

Step 1:

SSH / Open Console to the VDP Appliance.
The Username is: root
Default Password: changeme



Step 2:

Change your directory to:

Open server.xml



Step 3:

Locate the following lines:





Step 4:

Replace them with the following lines: Press " i " to begin edit



Save changes by Pressing Esc and then :wq

Step 5:

Reboot the VDP appliance and login again to the management web page.
This time, you will be able to login to the web page without the Error.