• The new Python extension is now available. It allows customers to deploy and manage WSGI-based Python applications on their websites directly from Plesk.
  • The Plesk Mobile apps for iOS and Android and the Plesk Mobile Center extension have been deprecated, and are no longer available for new installations. In Plesk Obsidian 18.0.84, the Plesk Mobile Center extension will be removed from servers during the upgrade, and the Plesk Mobile apps will lose their server management features.
  • The Social Login extension has been deprecated and will be removed in Plesk Obsidian 18.0.84. After that, it will no longer be possible to log in to Plesk with a Google, Facebook, GitHub account, or with a passkey. Plesk usernames and passwords, as well as logging in with a WebPros Account, are not affected.

Issue Error: The installation of the package 'plesk-backend' failed with code 1603. (upgrade: Upgrading Plesk Utilities...)

Server operating system version
Windows server 2019
Plesk version and microupdate number
18.0.56 Update #4
Good evening,
Sorry for my English.
For a few days i have a problem with a plesk windows server.
It cannot do Update Components.
It returns me this log.
[2023-11-11 20:31:53.754110] Error: The installation of the package 'plesk-backend' failed with code 1603. (upgrade: Upgrading Plesk Utilities...)
Not all packages were installed.
Visit https://support.plesk.com/ to search for a solution.

I did some troubleshooting by following this guide I found with no success.
Unable to update, upgrade or install Plesk: The installation of the package ‘<package_name>’ failed with code 1603 – Plesk - Support Cases from Plesk Knowledge Base
Can someone help please.
I tried tools like repair but that didn't work either.

Τhanks in advance.
 
This will need to checked on the server. Please contact support.

To sign-in to support please go to https://support.plesk.com

If you experience login issues, please see this KB article:
https://support.plesk.com/hc/en-us/...rt-plesk-com-and-password-reset-does-not-work

If you bought your license from a reseller, your reseller should provide support for you. If the reseller does not provide support, here is an alternative:
https://support.plesk.com/hc/en-us/articles/12388090147095-How-to-get-support-directly-from-Plesk-
 
Back
Top