https://www.icyphoenix.com/viewtopic.php?f=35&t=5773&p=38896#p38896
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mtarantjr
Tue 28 Apr, 2009 16:21

Re: Upgrade From Icy Phoenix 1.2.0.27 To 1.2.21.48 RC1
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I found 2 situations:
without using my 1.2.0.27 config.php and trying the fresh install it indicates me that the database already exists and the install can´t create tables. So, this way I can´t update my system.

Second way: I read in the forum about update older versions and I uploaded the new files (1.2.2.21.48 C1), restored my config.php (1.2.0.27) and run the database_update.php at /install. After it, the database update indicated me that it was updated, but I can´t access the site. In this second option the fresh install doesn´t work.