The search results turned up Failed to connect to VMware Lookup Service – SSL Certificate Verification Failed (among many other blog posts as mentioned earlier) in addition to VMware KB 20333338 Troubleshooting the vCenter Server Appliance with Single Sign-On login.
On 64bit version of XP and 2003, simply install this hotfix from Microsoft. Obviously, if you haven’t yet, there is a reason.
So, how do we get around this? Well, the best answer would be to upgrade to Vista or higher. (The underlying connection was closed: An unexpected error occurred on a send.)) (The client could not send a complete request to the server. VSphere Client could not connect to “192.168.1.100”.Īn unknown connection error occurred. Can’t connect to one virtual host with vsphere, but the others are working from the same client.