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I had Exchange 2000 and Windows 2003 server installed, only to discover that the two are not compatible.
Has anybody ever successfully installed Exchange 2000 on Windows 20003 server?   I can't ask for more money at this for the upgrade.  I  need  to make this work first and then ask for money later.  Any help and guidance is welcome.

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Hi Tim,

There seems to be a typo in this question. The title is about Exchange 2000 on Windows Server 2000, but the body mentions Exchange 2000/Win 2003. I am assuming the title is more correct.

Yes, Exchange 2000 and Windows Server 2000 are very definitely compatible with each other. Here are links that describe installing Exch 2000. Note that Win server 2000 should be set up running first, of course:

If you are having problems at a specific step please post back with more details.
Exchange 2000 will work on both Windows 2000 and 2003.
KCTS: Exchange 2000 is not supported on Windows 2003, see e.g.:


though there appear to be workarounds, e.g.:

However, in this case since Tim is starting from scratch apparently it would be better to stick with a supported configuration. Also I think the 2003 mention in the question is a typo.
timnjohnsonInformation Security EngineerAuthor Commented:

Hi All,

Thanks for your input.
Let me try to explain what is going on.  I installed Windows 2003 server and then tried to install Exchange 2000, and during the process I  got message talking about the  incompatibility issues and that Microsoft Windows 2003 does not support this application.   I decided to proceed knowing there were some issues.  After the installation I got this message:
 Error Code 1068
"Exchange 2000 IFS drivers will cause Windows to become unstable.  Windows has prevented these drivers from loading....click here for more details"
I followed the Microsoft link to fix the IFS virtual drive M:\ problem but the instructions were intended for the Registry key if the Virtual (IFS) is missing.  In my case the virtual drive was there and there was nothing to modify.  I tryied changing to a different ldrive etter but that didn't help either.  
So, I uninstalled Exchange both from the server itself and all the AD exchange Admin user accounts.
I then tried installing ( exchange 2000) on Windows 2000 server machine.  I got the same results.  The IFS drivers failing and getting the same instructions.   I posted the results on this board and some suggested that the first warning was good enough not to continiue because both 2k and 03k are not compatible with Exchange 2000.
I felt somebody out might know something, a fix or some kind of error resolution.  Exchange 2000 is not like an old, old application.  Some people  are still using Exch 5.5  and are doing fine.  2000 should can be used somehow!
So, this is my current situation.
Exchange is not running and going through any manual that will lead me to a better solution.
Any body with any issues, fixes, workrounds, past experience is welcome to post their input.
Thanks all.

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