Hi,
4.1 on windows only runs on W2K. Therefore all 4.1 Windows customers must be running W2K.
However W2K customers could still be running 4.0.x, but I would strongly recommend they upgrade to 4.1 to get the priority scheduler feature which allows the system to automatically tune different types of queries ( I/O bound vs CPU bound vs High priority vs Low priority ) to run nice together on the same box.
One of our Goals in making 4.1 was to minimize the differences in functionality between the UNIX and the Windows version.
I believe We accomplished that, but I may be bias I was the Release Achitect for 4.1.
I wrote a difference paper as part of the 4.1 release.
There are a couple resusage logging fields that aren't collected.
The tunable setting program is called XCTL on MPRAS and only CTL on Windows.
There is a Windows only JAVA program called Multi-tool for doing administrative tasks on the server.
You must have the Microsoft Visual Studio C++ compiler installed to use Stored procedures on Windows whereas on UNIX the standard C compiler is used. ( we don't allow any other stored procedure compilers on Windows )
The windows version 'can be' integrated with NTLM/Kerberose Login authentication allowing for better security. Takes a little set up. Again there is an earlier tek-tip message on that.
If you want you can order a DEMO copy of the 4.1 for Windows 2K ( actually see my earlier post on making it run on XP as well ) and try it out for your self.
If you can find a feature which doesn't work on Windows which works on UNIX let me know. You can post them here or send them to my Email
Tdatgod@yahoo.com
Like I said I tried very hard in the release to find the difference and eliminate them.
We even went so far as to add a version of Unix tools like Awk, Sed, grep and the like to the Windows package to make UNIX people more comfortable with the administration.