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  3. Backup, Restore & Migration

Backup, Restore & Migration

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Articles about FTP service, Backup & Restore and Migration processes.

  • Upon restoring Plesk backup email messages show backup restoration time as the time they were received on the Apple mail client
  • Unable to configure Microsoft OneDrive Backup: SQLSTATE[HY000]: General error: 8 attempts to write a read-only database
  • Migration on Plesk fails: process ID out of range: No such file or directory: Broken pipe
  • Failed backups cannot be removed from Backup Manager
  • Plesk Backup Manager shows the warning: Cannot read message number X from mailbox
  • Remote storage backups created in  Tools & Settings > Backup manager are not available in Subscriptions > example.com > Backup manager 
  • Scheduled Plesk bakup to a remote storage finishes with error: pmm-ras failed (Error code = 1): Repository error: Failed to read backup. Unable to find archive metadata
  • Migration on Plesk for Linux is stuck on "Fetch configuration data from Plesk servers" step
  • Plesk Backup finishes with a warning: Removing leading `/' from member names
  • How to set the backup retention period to less than a week for weekly created backups?
  • All sites on a Plesk server are inaccessible while a backup creation task is running: Error establishing a database connection
  • Plesk Pre-Migration check is stuck: Waiting for the other tasks in the queue
  • Impossible to delete "failed" or "finished with warnings" backups stored on the remote FTP storage
  • Email notification is sent to Plesk administrator during Plesk backup creation: Unable to find archive metadata
  • Cannot import site to Plesk using Site Import extension: FTP credentials are incorrect: please specify valid FTP login and password
  • Password-protected root directories for domains are not migrated in Plesk for Linux
  • Warning after restoring Plesk backup: Unable to update anonymous FTP account for domain "example.com"
  • Subscriptions migration takes hours to complete for a single domain on a Plesk server
  • Restoration of Plesk backup stored on external FTP server fails: Global server security settings prohibits restore from unsigned or modified backups
  • Unable to migrate a Plesk subscription: Cannot set postbox: Maximum number of mailboxes was reached
  • Unable to start migration in Plesk: q must be exactly 160, 224, or 256 bits long
  • Pre-migration check fails when migrating from cPanel to Plesk if subscription is re-assigned to another customer: Subscription 'example.com' does not exists on source server(s).
  • Migration fails with an error: Login failed. Server answer ABCD_2 NO LOGIN bad username or password
  • Migration shows the following warning: Insufficient disk space on the destination server to transfer all the selected subscriptions
  • Pre-migration warnings are shown by Plesk Migrator: Failed to decrypt password of auxiliary user 'jdoe'. Password may be reset
  • Unable to unpack backup: The compressed (zipped) folder is empty
  • Unable to delete backups: The backup cannot be removed because it is a part of a server, reseller, or customer backup
  • Migration for mixed case subscription fails in Plesk: Can't create links (logs, statistics or configuration) for subscription 'Example.Com'
  • Why scheduled backups are enabled by default after installation on Plesk Obsidian
  • Unable to create a backup via WordPress Toolkit extension or create ZIP archive in domain File Manager on Plesk server: Path is invalid
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