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Home » Kerio User Forums » Kerio Connect » Migrating from 32 to 64-bit version (Necessary steps to migrate from 32 to 64-bit app)
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Reinaldo

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Hi,
We are running KC 8.2.2 and want to know:
1) Is there any advantage in migrating from 32 to 64-bit app? Our server is Windows 64-bit version and running KC 32-bit app
2) What is the procedure to accomplish this migration successfully?
Thanks,
Reinaldo
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Reinaldo

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Hey guys, I have a customer interested in doing this.
Kerio, can you provide a fast answer here?
Thanks.
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Pavel Dobry (Kerio)

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You can contact Kerio via technical support or through any of Kerio partners.

Anyway, 64-bit it two times better Smile Just kidding. 64-bit version is useful only if you have 50+ users and more than 4GB of RAM on your server. If this is the case, go for it.

Upgrade is extremely easy. Simply install new 64-bit upgrade over previous 32-bit version. If you want to re-install the version, uninstall 32-bit and install 64-bit instead.

Knowledge Base: http://kb.kerio.com/.
Technical support: http://www.kerio.com/support
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forum69

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Hello,


We are running KC 8.1.3 32-bits app on a linux RHEL5 32-bit box.

The /opt/kerio is mounted over NFS.


We plan to migrate to KC 9.0 64-bit app on a RHEL 7 64-bit box.

I read the KB 1844.html, but I would like some advices, because there is a double migration process :

1/ linux 32-bit box to the linux 64-bit box
2/ kerio 32-bit app to the kerio 64-bit app



step 1 /

Is-it possible to install the kerio 8.1.3 32-bit app on the linux 64-bits box (perhaps with the add of some i586 dependancies)
then moving the /opt/kerio from linux RHEL5 32-bit box to the new RHEL 7 64-bit box

step 2/

update the 32-bits app to the 64-bits app using rpm -Uvh kerio 8.1.3 x64 on the new 64-bits linux box

step 3/

then upgrade to the kerio 9.x 64-bits app on the new 64-bits linux box

Do you think this process is correct ?


thank for your advice,
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Bud Durland

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What method are you going to use to migrate the message store? If you are using the Kerio COnnect backup & KMSRecover, you can probably get away with installing v9.0 64 bit app on the new box and migrating directly to it.
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forum69

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To migrate the message store, we will change the NFS mapping from the old server to the new one (the mailserver directory is stored on a NFS Netapp volume).
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