Known Issues and Limitations

Dmitry Bystrov

3 years ago

This section describes known issues and limitations of Plesk Migrator.

General known issues and limitations

When migrating from Plesk 8 to Plesk 12 or later, a customer may find
that a control or feature that was available to him or her on the
source server is no longer available on the destination server. Due
to a new permission model, certain permissions can be revoked because
they depend on a different permission. For example, a customer may
become unable to manage web statistics if the “Hosting settings
management“ permission is not granted.
On Windows, MySQL stored procedures are not migrated for some older
MySQL versions (specifically, MySQL 5.1).
After migration, domains owned by a subscription that has been
previously migrated and then suspended cannot be enabled.
Migration from Plesk on FreeBSD is not supported.
Migration from Parallels Small Business Panel is not supported. Use
custom migration instead.
On Windows, custom error documents configured for a virtual directory
pointing to the document root of a web site are not migrated.
Mail settings and content configured on the subdomain level are not
migrated.
Server-wide settings, such as “PHP settings” located in “Tools &
Settings”, are not transferred during migration.

Additional users and additional roles from centralized mail servers
are not migrated.
Expand service templates are not migrated.
Unix to Windows migration for centralized services is not supported.

After migration, access to PostgreSQL databases is granted only to
the main database user.
After migration, mail clients using encrypted passwords can connect
to mailboxes only after changing to plain passwords.
Migration fails if the Apache web server works under a user other
than ‘apache’. To avoid this, check the Apache configuration, find
the user under which the Apache process is running, create the user
‘apache’ with the same UID, and restart the migration.
If a domain alias name contains certain symbols not accepted by Plesk
but accepted by cPanel (for example, ‘_’), such alias fails to
migrate.

After migration, mail clients using encrypted passwords can connect
to mailboxes only after changing to plain passwords.
Users with passwords containing umlauts or other special characters
(quotes, white spaces, or national alphabet characters) will not be
able to log in to Plesk after migration.
Personal user data that do not conform to the Plesk format or are not
recorded in Plesk are not migrated.
During migration, “slash” characters are removed from user phone
numbers.
Domains with single-word names are renamed during migration.
SSL certicates are migrated but not automatically installed on the
corresponding domains after the migration.
SpamAssassin settings unsupported by Plesk are not migrated. Only the
following settings are migrated: what to do with spam mail, score,
message subject, white list, black list.
The permission to transfer files to the server over SCP or SFTP is
not migrated.

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