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Article ID: 123971, created on Dec 18, 2014, last review on Jul 14, 2018

  • Applies to:
  • Plesk Automation 11.1
  • Plesk Automation 11.5


Provisioning of the subscription failed with the following error:

 Failed task "Register the IP address (". In the failed task it states "Mail capability not supported for non-mail service node". There is no mail in the service template so it should not be asking for mail service.

You could find the following error in poa.debug.log when re-run the task:

Sep 10 17:37:35 Server-VM1 : INF [1:30637:f5f5eb90:1181 1:30725:f44cab90 lib]: <packet version=""><ip><add><result><status>error</status><errcode>16002</errcode><errtext>This IP address is already registered in Panel on other service node ( than specified (</errtext></result></add></ip></packet>


This is the software issue of PPA 11.1 with dedicated ip removing. Caused by database inconsistency.


The issue is fixed in PPA 11.5. To fix it manually:

  1. Backup the psa database.
  2. Open psa database and remove the problem IP address (

    mysql> delete from psa.IP_Addresses where ip_address = '';
  3. Run the task failed again.

If this solution does not work, check the permissions in the %ALLUSERSPROFILE%\Microsoft\Crypto\RSA\MachineKeys\ folder as described in this KB article: Failed to decrypt attribute 'password' because the keyset does not exist

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