Home » Kerio User Forums » Kerio Connect » Upgrade from version 7 32bit to 8 32bit or 64bit. (Upgrade options.)

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Good morning.

I've been tasked with looking into upgrading our existing Kerio Connect mail server to version 8.

Currently the server is running on the following:

7.4.3 build 7813
Windows Server 2008 64Bit

Now it appears that there is a 64Bit version of 8 to download.

The question is should we look to be upgrading from version 7 32Bit to 8 64Bit?
Or should we upgrade to 8 32Bit.

Any advice would be appreciated.


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You can't do it. Kerio 64bit requires Win2008R2. Plain Win2008 64bit won't work. I tried it and the installer popped up saying it required R2.

Some year when I have time, I want to look at moving to Linux 64bit and get rid of the MS licensing part.

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Sorry I forgot to mention it is on an R2 version of Windows 2008.
I've tried it in a VM and it looks to be ok.

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Last we heard from Kerio is 64Bit is recommended for large installations and user bases. But if 32Bit is working for you to stay with that.

We have a large user base so we went ahead and moved to 64Bit.

- Brian
Kerio Preferred Partner, Reseller & Hosting Provider
Unified Technology Solutions
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