KB ID 0001092
Quite why each version of the vSphere client does not work with any other version of ESX/vCenter I’ve never really been able to work out. Being a mac owner, I have to run the software in VMware Fusion anyway, (which is also a pain).
So when I tried to connect my my own firms vCenter this week from my Windows 8 fusion VM, I got this error message, after having to download yet another version of the vSphere client.
In this case, Microsoft comes to the rescue,
1. Right click the installer executable > Properties.
2. Compatibility > Run This program in compatibility >Windows XP (Service Pack 3).
3. Apply > OK > run the setup process again.
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