BackupBuddy Multisite: Features and Limitations

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IMPORTANT: BackupBuddy Multisite does NOT support migrating entire Networks to a different URL. If you attempt to do so then only the main site URLs will be migrated and you must manually update all subsite URLs, for instance using the Server Information Page's Mass Database Replace Tool.

  • Backup entire Multisite Network
    • Limitations:
      • As a Network can contain many subsites, each subsite increases the amount of time needed to perform a backup, especially if the sites are large. This can demand more server resources or more PHP runtime. Most shared hosting does not permit increasing these resources so BackupBuddy may not be able to finish backups under these conditions. If you have access to modify these settings, Maximum PHP runtime is a key setting to increase as needed.
      • WordPress 3.5 Multisite has introduced multiple problems with site imports related with both file uploads and user imports. Some workarounds: http://ithemes.com/forum/topic/37186-backupbuddy-ms-import-not-working-on-wp-35-multisite/
  • Restore entire Multisite Network (same server & URLs)
    • Limitation: As a Network can contain many subsites, each subsite increases the amount of time needed to perform a restore, especially if the sites are large. This can demand more server resources or more PHP runtime. Most shared hosting does not permit increasing these resources so BackupBuddy may not be able to finish restores under these conditions. If you have access to modify these settings, Maximum PHP runtime is a key setting to increase as needed.
  • Migrate entire Multisite Network (different server or URLs)
    • Limitation: When migrating a Network to a new server or changing URLs, domains, or moving a Network in or out of a subdirectory, BackupBuddy will only migrate the database tables associated with the MAIN site. Due to technical reasons BackupBuddy currently will not automatically migrate URLs or paths of any other subsites within the migrated network. If the URLs or paths of subsites need to be updated you may perform this procedure by using the 'Mass Database Text Replacement' tool on the 'Server Information' page within BackupBuddy for each subsite you need to update.
    • Limitation: You cannot change from sub-domains to sub-directory URL structure using BackupBuddy Multisite nor can you change from sub-directories to sub-domain URL structure.
    • Limitation: As a Network can contain many subsites, each subsite increases the amount of time needed to perform a migration, especially if the sites are large. This can demand more server resources or more PHP runtime. Most shared hosting does not permit increasing these resources so BackupBuddy may not be able to finish migrations under these conditions. If you have access to modify these settings, Maximum PHP runtime is a key setting to increase as needed.
  • Export a subsite from the Network
    • Exported subsites may be imported back into the same network (AKA Duplicated), imported into another Network, or restored as a standalone WordPress site using the importbuddy.php tool.
    • Limitation: The main Network [sub]site cannot be exported as it is tied to the Network. It is still included in the main Network backup however.
  • Import an exported subsite into the Network
    • No known limitations beyond those of normal BackupBuddy.
  • Import a backed up standalone site into the Network
    • No known limitations beyond those of normal BackupBuddy.
  • Restore or Migrate an exported subsite as a standalone site
    • No known limitations beyond those of normal BackupBuddy.
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