I'm running vSphere client 5.1.0 installed on a Windows Server 2008R2 (x64) OS running inside Parallels on a Mac Pro system.
When I connect to a vSphere server, then select a running SUSE Linux VM, then select the console tab and click on the console, the mouse is captured in the VM console window. Fine.
The problem is that I can never get the mouse *un*attached. I can press the usual <Ctrl><Alt> key combo to sort-of release the cursor, but the instant I try to click on something *outside* of the vSphere client itself, it immediately pops back to the VM's console window. There is no way I can find to get it to release without shutting down the VM. Obviously this is totally unacceptable.
I did install the latest VMWare helper tools into the VM but that made no difference. Even if I did not, it's a severe bug for the vSphere client to capture the mouse when it's outside of the console window after releasing it with <Ctrl><Alt>.