Thanks Ronak,I installed VMWS on the Unity 7 server and now Viewmail works with Outlook 2010 on XP, and Windows 7.  Thank you for your help with this and helping me find a solution.Thanks,Kevin

Thank you for your input.  I can see now from the matrix you supplied that Unity 7 is not compatible with Outlook 2010 on  Windows 7.   But I did notice it is compatible on Vista and XP.I installed Outlook 2010 on XP SP3, with Viewmail 8.6(5), and t...

Were you able to find a solution to this?  We are in the exact same situation and getting the same error message.  Running Outlook 2010 on a windows 7 computer, Cisco Unity with Exchange 7.0(2), and Exchange 2007.  I found on the Cisco Unity Compatib...