Create a VI Client shortcut with pass through authentication
April 8th, 2008 | 
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Did you know you can modify a VI client shortcut so you can enable single sign on to Virtual Center? This is an undocumented feature that many blogs reported on in March, but most credit vinternals.com and the post VirtualCenter 2.5 Passthrough Authentication as the first to report this option.
“At last! VMware have finally added passthrough auth support in VC 2.5, although it is currently classed as experimental. This is something I have been waiting / asking about for quite some time. And even better, it’s on by default! To use it, simply add -passthroughAuth -s vchostname to the end of the shortcut used to launch the VI 2.5 client.
By default it uses the Negotiate SSPI provider, however since they have fully implemented the interface you can change that behaviour to use Kerberos by adding the following within the <vpxd> node in the vpxd.cfg file on the VC server:
<sspiProtocol>Kerberos</sspiProtocol>”
The screenshot of the VI Client shortcut was found at Pass Through Authentication with the VMware VI Client by Diary of a Bad Golfer. Click on it for a larger image.
There is also a VMware Communities thread at How to enable passthrough authentication in VMware VirtualCenter 2.5
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