Re: Downgrade FreeBSD 5.1 or 5.2 -> 4.9

hi,
have a look at this thread

http://lists.freebsd.org/pipermail/freebsd-hackers/2003-July/002127.html

hth,
seb

On Thu, 2004-01-22 at 18:19, Garance A Drosihn wrote:
> At 9:01 AM +0100 1/22/04, Sessler, Enrico wrote:
> >Hello,
> >
> >is there a way to downgrade from FreeBSD 5.1-RELEASE
> >or 5.2-CURRENT to the latest 4.x version?
> 
> This would be very hard for us to support, and I expect you
> will have a lot of trouble trying to do an "in place"
> downgrade to 4.x.  You will have much less trouble if you
> just resign yourself to backing-up the data you need to some
> safe place, and do a fresh install (ie, reformat the drives
> using the 4.9 installation discs, and install everything from
> scratch).
> 
> I realize that is a lot of work.  However, I am pretty sure
> that will be less work than trying to do a "simple downgrade".
> 
> >Note: I have no console access to the machines only
> >telnet/rlogin. Thus using a boot floppy/CD is not possible.
> 
> This makes it even less likely that you will be successful
> doing a downgrade to 4.9.