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Red Had Enterprise Linux ES release 2.1 upgrade to Red Hat Enterprise 4.3

I was just trying to do an upgrade of RHEL 2.1 to version 4.3 and during the upgrade it gives me the version is too old are you sure you want to try the upgrade, has anyone done this upgrade successfully? also if it's not recommended to go from version 2.1 to version 4 what version 3 should I first be upgrading to?
1 Solution
Deepak KosarajuDevOps EngineerCommented:
bbaracAuthor Commented:
I will be trying the upgrade to RHEL version 3 later on this afternoon, I hope that works because no way can I do a clean install and restore for these servers, well I can but don't want to.
Do you HAVE to upgrade?  The jump in versions make huge changes to library versions, application versions, etc... and you could seriously break stuff you've never even knew existed.  Usually if your setup is so complicated that you don't want to re-load, your system is too complicated to upgrade.

At least make a good ghost image first!

Good luck.
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