• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

Upgrade from 7.6.1 Errors

B

bperfect

Guest
7.6.1 to 8.1 Upgrade Problems

Hi Everyone :)

I tried upgrading from Plesk 7.6.1 to Plesk 8.1.1 and found few errors, the installation then rolled back and now the plesk 7.6.1 is even not accessible.

The errors that I got at the time of installation are as under
----------------------------------
Error 1923. Service 'Sitebuilder for Windows Hosting Service' ( SBPreviewHost) could not be installed. Verify that you have sufficient privileges to install system services.


Error 1720. There is a problem with this Windows Installer package. A script required for the install to complete could
not be run. Contact your support personnel or package vendor.
-----------------------------------

Then after the rollback , I restarted plesk service and other services and even tried rebooting, but now I am getting the following at the Login Page
------------------------
Warning: Unknown: failed to open stream: No such file or directory in Unknown on line 0

Warning: Unknown: Failed opening 'auth.php3' for inclusion (include_path='C:\Program Files\SWsoft\Plesk\admin\plib') in Unknown on line 0
-------------------------
Plesk repair also did not work to fix the login page error..

Any idea how to fix it ? or how to upgrade to 8.1.1 ?
 
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