Yup, it will be thisQuote:
It's not instant and must be something to do with the graphics drivers.
VMware Self-Service- Disable SVGA drivers installed with VMware Tools on Windows 7
"If you plan to use Windows 7 as a guest operating system, do not use the SVGA drivers included with VMware Tools. Use the standard SVGA driver instead."
2008 R2 = Windows 7 server