Forced upgrade from Plesk 8.6.0 to 9.5.2

[Maris]

Hello!
On our server we had Debian 4.0 installed and plesk 8.6.0, and about a week ago clients asked me to set up php 5 engine on machine. I used apt-get to install php5, as I remember it was plesk build of php. But after apt-get update/upgrade bunch of psa packets uninstalled. As I understood it was because of http://www.debian.org/News/2010/20100121 - Security Support for Debian 4.0 to be terminated. And I couldn't get psa uninstalled 8.6.0 packages back. So I decided to upgrade system to Debian lenny 5.0, I did that without serious problems. And then I tried to install psa 8.6.0 again and realized, that 8.6.0 version can not be installed on debian 5.0. So I installed newest version of plesk – 9.5.2.
And of course my old 8.6.0 key is not working for new version. And I don’t know how to downgrade os back to debian 4.0. And I can’t retrieve key through https://register.parallels.com/key_upgrade/ site and through plesk panel neither. Everything else is working normaly except Plesk panel – it gives: ‘Error: The license key is invalid. In order to use the Parallels Plesk Panel, please obtain and install a new functioning license key.’
What can I do to solve this problem? Do I have to buy new license?

 

[IgorG]

Why you can’t retrieve key through https://register.parallels.com/key_upgrade/ ?
Did you tried contact your sales representative regarding this license key upgrade question?

 

[Maris]

The problem is that I inherited this server from another admin, who don’t want to cooperate with me becouse of a personal conflict with server owners/employers, and a licence key is registered on his email, and he claims that he don’t remember where he bought this licence, maybe I can call for some assistance, but as I understood all phone/email supports are for money, maybe there is some free troubleshooting service phone or email, preferably russian?

 

[IgorG]

Try to call to Moscow office http://www.parallels.com/contact/

Contacts:
For purchasing Parallels products in Russia, CIS, and the Baltics, contact our Sales Team
+7 (495) 660-92-65

[email protected]

There you can ask your question in Russian.

 

[Maris]

ok, thanks for the advise.