Skip to content
  • Solutions
    By Role
    • For Developers
    • For Content Managers
    • For Agencies
    • For IT Admins
    • For Web Hosters
    • For Developers
    • For Content Managers
    • For Agencies
    • For IT Admins
    • For Web Hosters
    By Infrastructure
    • Overview
    • AWS
    • Microsoft Azure
    • Alibaba Cloud
    • Google Cloud Platform
    • Vultr
    • Overview
    • AWS
    • Microsoft Azure
    • Alibaba Cloud
    • Google Cloud Platform
    • Vultr
    • Digital Ocean
    • Linode
    • Upcloud
    • Oracle
    • OVH
    • Digital Ocean
    • Linode
    • Upcloud
    • Oracle
    • OVH
  • Product
    • Plesk Features
    • Plesk Editions
    • What’s new
    • Pricing
    • Roadmap
    • Lifecycle Policy
    • Extensions Catalogue
  • Pricing
  • Extensions
    Featured Extensions
    • SocialBee
    • WP Toolkit
    • Sitejet Builder for Plesk
    • SEO Toolkit
    • Joomla! Toolkit
    • Premium Email
    • Email Security
    • SocialBee
    • WP Toolkit
    • Sitejet Builder for Plesk
    • SEO Toolkit
    • Joomla! Toolkit
    • Premium Email
    • Email Security
    Bundles and packs:
    • Business and Collaboration Edition
    • WP pack
    • Hosting pack
    • Power pack
    • Language pack
    • Business and Collaboration Edition
    • WP pack
    • Hosting pack
    • Power pack
    • Language pack

    See all Extensions

  • For Partners
    • Plesk Contributor Program
    • Plesk Partner Program
    • Affiliate program
    • Plesk University
  • Help Center
    • Documentation
    • Professional Services
    • Support
    • Contact Us
    • Wiki
    • Forum
  • Plesk 360 login
  • Free Trial
  • Pricing
  • Solutions
    • By Role
      • For Developers
      • For Content Managers
      • For Agencies
      • For IT Admins
      • For Web Hosters
    • By Infrastructure
      • Overview
      • Plesk on Amazon Web Services (AWS & Lightsail)
      • Microsoft Azure
      • Alibaba Cloud
      • Google Cloud Platform
      • Vultr
      • DigitalOcean
      • Linode
      • UpCloud
      • Oracle
      • OVH
  • Products
  • Pricing
  • Extensions
    • Featured Extensions
      • SocialBee
      • WP Toolkit
      • Sitejet Builder for Plesk
      • SEO Toolkit
      • Joomla! Toolkit
      • Premium Email
      • Email Security
    • Bundles and packs:
      • Business and Collaboration Edition
      • WP pack
      • Hosting pack
      • Power pack
      • Language pack
      • See all Extensions
  • For Partners
    • Plesk Contributor Program
    • Plesk Partner Program
    • Affiliate Program
    • Plesk University
  • Help Center
    • Documentation
    • Professional Services
    • Support
    • Contact Us
    • Wiki
    • Forum
  • Plesk 360 login
  • Free Trial
  • Pricing
  • Solutions
    • By Role
      • For Developers
      • For Content Managers
      • For Agencies
      • For IT Admins
      • For Web Hosters
    • By Infrastructure
      • Overview
      • Plesk on Amazon Web Services (AWS & Lightsail)
      • Microsoft Azure
      • Alibaba Cloud
      • Google Cloud Platform
      • Vultr
      • DigitalOcean
      • Linode
      • UpCloud
      • Oracle
      • OVH
  • Products
  • Pricing
  • Extensions
    • Featured Extensions
      • SocialBee
      • WP Toolkit
      • Sitejet Builder for Plesk
      • SEO Toolkit
      • Joomla! Toolkit
      • Premium Email
      • Email Security
    • Bundles and packs:
      • Business and Collaboration Edition
      • WP pack
      • Hosting pack
      • Power pack
      • Language pack
      • See all Extensions
  • For Partners
    • Plesk Contributor Program
    • Plesk Partner Program
    • Affiliate Program
    • Plesk University
  • Help Center
    • Documentation
    • Professional Services
    • Support
    • Contact Us
    • Wiki
    • Forum
  • Plesk 360 login
  • Free Trial
Plesk 360 login
Free Trial

Knowledge Base

Installing Plesk updates fails due to failed authorization on Imunify360 repositories: [Errno 14] HTTP Error 401 – Unauthorized

 
alt phpcentoscloudlinuxhttphttps

Symptoms

Note: The article is applicable only to RHEL-based operating systems (CentOS, RHEL, CloudLinux).

  • On a Plesk server with Imunify360 installed, the installation of Plesk updates fails:

    imunify360 | 2.7 kB 00:00

    http://SSt9QxPt7aJMo3xN:[email protected]/centos/alt-php/7/updates/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 401 - Unauthorized

    Trying other mirror.
    Failed to install plesk-php56-bcmath@x86_64:
    Error while downloading packages metainfo: failure: repodata/repomd.xml from imunify360-alt-php: [Errno 256] No more mirrors to try.
    http://SSt9QxPt7aJMo3xN:[email protected]/centos/alt-php/7/updates/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 401 - Unauthorized. Trying again.
    http://SSt9QxPt7aJMo3xN:[email protected]/centos/alt-php/7/updates/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 401 - Unauthorized

    Trying other mirror.
    Failed to install plesk-php56-bcmath@x86_64:
    Error while downloading packages metainfo: failure: repodata/repomd.xml from imunify360-alt-php: [Errno 256] No more mirrors to try.
    http://SSt9QxPt7aJMo3xN:[email protected]/centos/alt-php/7/updates/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 401 - Unauthorized. Trying again.
    http://SSt9QxPt7aJMo3xN:[email protected]/centos/alt-php/7/updates/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 401 - Unauthorized

    Trying other mirror.
    Failed to install plesk-php56-bcmath@x86_64:
    Number of retries is exceeded.
    NoMoreMirrorsRepoError: failure: repodata/repomd.xml from imunify360-alt-php: [Errno 256] No more mirrors to try.
    http://SSt9QxPt7aJMo3xN:[email protected]/centos/alt-php/7/updates/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 401 - Unauthorized

    ERROR: The Yum utility failed to install the required packages.
    Attention! Your software might be inoperable.
    Please contact product technical support.


    failure: repodata/repomd.xml from imunify360-alt-php: [Errno 256] No more mirrors to try.
    http://repo.alt.cloudlinux.com/el/U1M5cFBzEZjMMeZfsTyUZK1iReLz5AsXrJVQ_4AUh3sJyl8pXplymQYhhPEqP5NQoo0OTZKKg=/alt-php/7/updates/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 500 - external Server Error

  • Checking the configured repositories with the command yum repolist enabled shows the same error on the repository with the name imunify360.

Cause

Authorization on the Imunify360 repositories with the currently stored credentials failed.

Resolution

Permanent solution

Contact the support of the extension vendor - CloudLinux company - at https://cloudlinux.zendesk.com/hc/en-us for assistance.

Workaround

  1. Connect to the server using SSH.

  2. Disable all Imunify360 repositories.

  3. Install Plesk updates: for Plesk Obsidian, or for Plesk Onyx or earlier.

Tweet
Share
Share
Email
0 Shares
Read the full article
Related Posts

WP Toolkit 6.2 Release Now Available

Read More »

HTTP Response Status Codes Explained

Read More »

Recommended OSs for Plesk

Read More »
Knowledge Base

Mail accounts cannot log into Plesk web interface if password is encrypted

Read More »

System update fails on a Plesk server with AlmaLinux/CloudLinux: package plesk-php74-imagick requires libMagickCore, but none of the providers can be installed

Read More »

Watchdog script “secur-check” fails in Plesk: Zend_Exception: No entry is registered for key ‘container’

Read More »

Unable to install or update Plesk on CloudLinux OS: The Yum utility failed to install the required packages

Read More »

Hosting Wiki

  • Server Redundancy
  • AMP
  • Bare Metal Server
  • PhpMyAdmin
  • phpPgAdmin
  • Oracle VM Server
  • Server Virtualization Software
  • Windows Server
  • Linux
  • PHP
  • HTTP/3
  • HTTP/2
  • Plesk
  • Lighttpd
  • Web Server
  • DNS Server
  • SSH
  • HTTP
X-twitter Linkedin Youtube Reddit Github
  • Product
  • Login
  • Pricing
  • Editions
  • For Partners
  • Partner Program
  • Contributor Program
  • Affiliate Program
  • Plesk University
  • Company
  • Blog
  • Careers
  • Events
  • About Plesk
  • Our Brand
  • Resources
  • User and Admin guides
  • Help Center
  • Migrate to Plesk
  • Contact Us
  • Hosting Wiki
  • Forum
  • Legal
  • Legal
  • Privacy Policy
  • Imprint

© 2025 WebPros International GmbH

Part of the WebPros®  Family