Support inplace Dist-Upgrade for CentOS6 to CentOS7 and Windows2008 to Windows2012
According to http://docs.plesk.com/en-US/12.5/administrator-guide/server-administration/distupgrade-support.74627/ Plesk supports
Debian 6 to Debian 7
Debian 7 to Debian 8
Ubuntu 12.04 to Ubuntu 14.04
We need also
CentOS6 to CentOS7
Windows2008 to Windows2012
Omid Kosari
shared this idea
The best way to change OS is Plesk migration to the other host with newer OS installed from scratch. It guarantees there will be no surprise in the middle as everything is working on source server during migration and by the moment when provider switch IP/DNS to new sites location.
There is no straight path for OS CentOS6 to 7 upgrade itself. There is some tool listed on CentOS wiki https://wiki.centos.org/TipsAndTricks/CentOSUpgradeTool where they said “do not use this tool”. As soon as there is official path of CentOS upgrade from this OS development, we can consider in-place dist-upgrade in Plesk.
We do not have plans to support Windows2008 to Windows2012 in-place dist-upgrade yet. There are also limitations from Microsoft on which 2008 edition can be upgraded into which 2012: https://blogs.technet.microsoft.com/askcore/2012/10/23/upgrading-to-windows-server-2012-part-1/ so the upgrade itself is not that straight as it looks.
This request in fact contains two different requests. Please create separate uservoice request specifically for dist-upgrade for Windows Server 2008 to 2012, will consider this functionality in upcoming releases, if it will be popular.
—ET