Recently, after a View upgrade, I had problems connecting to my VMware View desktops. I would try to connect to my VMs but I was met with a black screen. The login screen would never show up and I had no idea because it was working fine before.
A quick google search brings up quote a few KBs:
There are quite a lot of helpful ways to get you started in the right direction. Now, before you start running off and configuring registry values and all that, try connecting to the desktop via RDP. If you connect to it via RDP and it still seems sluggish, then it sounds like you had the same problem as I did.
After a while, i figured I would try to add more RAM to the video card of VM. come to find out, that was the culprit. It's fairly simple to increase the amount of video RAM. Turn your VM off, edit the settings the of your VM. Click on the Video Card. I made two different changes and this is what worked for me. I set the displays to 2, and the amount of RAM to 40MB. The default is 4MB or 8MB. Giving 40MV makes a huge difference. After that, I clicked ok, and then I went back into the edit settings tab and changed the Video Card to "Auto-Detect". once it was set on Auto-Detect, the experience was much better.