[BUG] Pre-migration checks warning: Protected directory of domain can not be created in Plesk: it does not conform to Plesk rules.

Symptoms

• The following warning appears on Plesk Migrator when attempting to migrate example.com.

  PLESK_WARN: Client "test customer" - Subscription "example.com"
  Protected directory '' of domain 'sub1.example.com' can not be created in Plesk: it does not conform to Plesk rules.
  Before migration, you can rename (move) protected directory on the source server. Once migration is finished, you can move the directory on the target to a place which conforms to Plesk rules, and then recreate protected directory and its users manually.

• On the Source Server, the Subdomain sub1.example.com has the Directory "/" protected at Domains > example.com > Password-Protected Directories

Cause

This is Plesk Migrator bug ID #PMT-4567, which will be fixed in future product updates.

Resolution

This message can be safely ignored.