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briefcasePlesk migration is stuck at the beginning: Preparing migration. Starting...

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Symptoms

  • Migration is stuck at the following stage:

    Preparing migration Starting...

  • In an attempt to access some Plesk folders, e.g. %plesk_dir%\admin\bin\, on the destination server under the Administrator account, the UAC (User Account Control) pop-up window appears:

    You don't currently have permission to access this folder. Click Continue to permanently get access to this folder.

  • In an attempt to reload source data via command line the next error occurs:

"%plesk_dir%\admin\plib\modules\panel-migrator\backend\plesk-migrator.bat" generate-migration-list "%plesk_dir%/var/modules/panel-migrator/sessions/20170906170318/config.ini" --migration-list-format=json --migration-list-file="%plesk_dir%/var/modules/panel-migrator/sessions/20170906170318\migration-list-raw.json" --skip-services-checks --include-existing-subscriptions --overwrite --reload-source-data

[INFO] Initialize Plesk Migrator
[INFO] Target Plesk host: 203.0.113.2
[ERROR] Internal Plesk Migrator error: '[Errno 13] Permission denied: u'C:\\Program Files (x86)\\Plesk\\version'', migration is aborted. See the traceback in debug log for more information.

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Cause

Due to the enabled User Account Control: Admin Approval Mode for the built-in Administrator account policy, Plesk Migrator privileges elevation attempts are blocked.

This is a Plesk bug PMT-3847 which is planned to be fixed in future product updates.

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Resolution

  1. Connect to the server via RDParrow-up-right.

  2. Modify the security policy:

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If the server is not in domain

  1. Open Command Promptarrow-up-right.

  2. Open Local Security Policy:

    secpol.msc

  3. Navigate to Security Settings > Local Policies > Security Options

  4. Double-click on the User Account Control: Admin Approval Mode for the built-in Administrator policy, select the Disabled option and click on the OK button:

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If the server is in domain

  1. Open Command Promptarrow-up-right.

  2. Enter gpedit.msc and press the Enter button

  3. Navigate the console tree to Local Computer Policy\Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options

  4. Double-click on the User Account Control: Admin Approval Mode for the built-in Administrator policy, select the Disabled option and click on the OK button

  5. Go back to Command Promptarrow-up-right and apply updated policy by executing the following command:

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REFERENCES

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