We have been running with vCenter 5.1 with no problems for several years. All of the sudden when connecting with the vCenter Client we are getting this error:
vSphere client could not connect to An unknown connection error occurred. The request failed due to an SSL error. The request was aborted. Could not create SSL/TLS secure channel.
No changes of any sort have been recently made to the server, including Windows Updates.
I found this KB, but SSL.Version is already set to all.
Connecting to vCenter Server using the VMware vSphere Client fails with the error: An unknown connec...
Server is 2008 R2. Any suggestions of what to look at would be appreciated.