I have recently been through this, and there is in fact a problem with the Solid database. After upgrading, I received the following error: Solid System Fatal Error 11013: License file format is incompatible. HP told me the solution was to issue a new CD, but they gave me a workaround, which is to replace the 6.1 solid.lic file with the 6.2 version from the install CD. I did that and all was well. This may not be the only problem, but it was the only one I ran into. However, I was at the latest 6.1 patch level before I did the upgrade, so that might be a good idea. Good luck, and do a 'complete' backup first, as 6.2 has a different default directory structure and you will probably have to 'restore' from your 6.1 databases.