Thanks everyone for your prompt replies. And on a holiday week at that! I've passed your replies along to the Windows administrators to help them make a decision. Merry Christmas and Happy New Year to all. Dennis Williams On Mon, Dec 29, 2008 at 12:32 PM, Alex Fatkulin <afatkulin@xxxxxxxxx> wrote: > I was running 8i home with both 10G and 11G homes on the same Win box > without any troubles. > > these were database homes though, but I don't see any immediate > reasons why it would work for a database and wouldn't for a client > > On Mon, Dec 29, 2008 at 12:38 PM, Dennis Williams > <oracledba.williams@xxxxxxxxx> wrote: > > List, > > > > We are upgrading a database server to Oracle 10g (10.2.0.4) over the > > holiday. It was just discovered that one Windows report server is using > an > > Oracle 8i client (Windows 2000 I think). Has anyone had any problems with > > this configuration? As a contingency, we are considering installing the > 9i > > client, but want to keep the 8i client available as a contingency. Does > > anyone recall any problems installing the 9i client without disturbing > the > > existing 8i client? > > > > Thanks, > > Dennis Williams > > > > -- > Alex Fatkulin, > http://www.linkedin.com/in/alexfatkulin >