Plesk Service/Interface

This section contains articles about failed Plesk interface actions and broken Plesk service.

Why Plesk Obsidian is not updated automatically?
Unable to access Plesk: fork/exec /usr/local/psa/admin/bin/php: exec format error
Plesk-hosted website redirects to Plesk login page when opened via HTTPS
How to change the Plesk administrator email address?
How to allow access to PHP Settings in Plesk for an additional domain user?
Notifications from Built-in Monitoring in Plesk: [Alerting] Partition "/" utilization
Unable to move a domain in Plesk: site-copy failed: tar: ./subdirectory/<path>: Cannot open: Permission denied
Plesk website preview does not work: This site can't be reached. Server IP address could not be found. DNS_PROBE_FINISHED_NXDOMAIN
Unable to reset the password of the administrator using the forgot your password option in Plesk interface
[BUG] Customize Plesk URL configured with a specific domain or subdomain doesn't work correctly: all domains show Plesk login page
"Registered domain name" suggests to enter www.domain.name when creating a new domain/subscription
The domain's DNS Settings menu in Plesk shows a false-positive warning: "Your website is offline"
Plesk Task Manager produces high CPU load for a long period of time: A lot of failed Plesk GUI login attempts
Plesk Update Manager fails on the RHEL-based OS of version 8.5: 'NoneType' object has no attribute 'run_sack'
[BUG] - Unable to access the Scheduled tasks from Dev Tools as Reseller in Plesk: Permission denied
IP addresses are being banned by Fail2Ban on a Plesk server when working from Email Client
Plesk is not accessible with error 500: Failed opening required
Chrooted directories are created in subscription directory on Plesk for Linux server even if SSH access for subscription is forbidden
Unable to open the domain's logs in Plesk: PHP Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 8192 bytes)
Extensions Catalog in Plesk is not accessible: Failed connect to ext.plesk.com:443; No route to host
Can Resellers or Customers in Plesk use Plesk REST API?
IP Access Restriction Management doesn't work as expected when the hostname is behind Cloudflare
Unable to remove a file or folder from ".trash" directory in the Plesk File manager: [[actionError]]
How to add Custom Buttons on Plesk?
Cannot log into the Plesk interface with username and password for Subscription: You have entered incorrect username or password
Plesk is not accessible with error 502 and sw-engine fails to start: failed to open error_log (/var/log/sw-cp-server/sw-engine.log): No such file or directory (2)
Plesk and websites are not accessible: 500.19 - Internal server error - Module DynamicCompressionModule
Unable to setup the Hard Disk quota for a domain: field is greyed-out, hard disk quota is not supported due to configuration of server file system
502 Bad Gateway error is shown after login to Plesk or performing any actions: Connection reset by peer
Unable to remove an IP address in Plesk: The IP address is already used for hosting