Setup guide
TECHNICAL WHITE PAPER / 16
VMware vSphere® 5.0 Upgrade
Best Practices
– Start the VMware vSphere® Client™ to validate that all objects and data are still available.
Using the Data Migration Tool, you can easily migrate the vCenter Server 4.0 32-bit OS using Microsoft SQL
Server 2005 Express to a 64-bit OS. As with any tool, there are some caveats. We have listed the most accessed
VMware knowledge base articles regarding the Data Migration Tool for your convenience as follows:
•Backing up the vCenter Server 4.x bundle using the Data Migration tool fails with the error: Object reference not
set to an instance of an object (http://kb.vmware.com/kb/1036228)
•Data migration tool fails with the error: RESTORE cannot process database ‘VIM_VCDB’ because it is in use by
this session (http://kb.vmware.com/kb/2001184)
•vCenter Server 4.1 Data Migration Tool fails with the error: HResult 0x2, Level 16, State 1
(http://kb.vmware.com/kb/1024490)
•Using the Data Migration Tool to upgrade from vCenter Server 4.0 to vCenter Server 4.1 fails
(http://kb.vmware.com/kb/1024380)
•When upgrading to vCenter Server 4.1, running install.bat of the Data Migration Tool fails
(http://kb.vmware.com/kb/1029663)