Summary

• The step 4 in https://confluence.atlassian.com/adminjiracloud/migrating-from-jira-cloud-to-server-776636236.html

  In step 2 of the setup wizard (Application Properties), you'll be asked whether you have existing data. Click Import your existing data, and follow instructions to import your XML backup.
  

  Should be modified to something like the following

  You can restore your backup from System->Restore System and follow instructions to import your XML backup. 
  

  Because 'Import your existing data' doesn't work in most cases and testing.

• The Step 3

  Install your Jira applications. For detailed instructions, refer to Installing Jira applications.\
  Note that during the installation, you will be asked if you have existing data. This is where you can import your XML backup, as described in the next step.
  

  Should be modified to something like the following

  Install your Jira applications. For detailed instructions, refer to Installing Jira applications.\
  Please note, if you are trying to restore JSD from Cloud to Server, you will also need to install JSD on top of JSW in order to restore JSD successfully from the Cloud.