• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

Issue Plesk Migration Gets Stuck On Specific Subscription

Matt M

Basic Pleskian
Server operating system version
Al
Plesk version and microupdate number
18.0.74 Update #3
I recently posted a question about Plesk Migration speed (Question - Plesk Migration Obsidian to Obsidian: How Long To Expect?). It appears to be that it's a specific subscription that's bugged. Other subscriptions, even ones containing substantially more data, are migrating just fine. On the other hand, this one is slow even after I removed a bunch of files from it in order to scp them over manually later. So it is not a factor of size on disk. I am truly stumped by this. The migration in question gets stuck during the check step, at the following point, without fail, every time.

Code:
# /usr/local/psa/admin/sbin/modules/panel-migrator/plesk-migrator check
[2026-02-08 23:52:46][INFO] Initialize Plesk Migrator
[2026-02-08 23:52:46][INFO] Target Plesk host: ***
[2026-02-08 23:52:46][INFO] Source Plesk 'source' host: ***
[2026-02-08 23:52:46][INFO] Target Plesk host: ***
[2026-02-08 23:52:46][INFO] START: Check if migration list file exists
[2026-02-08 23:52:46][INFO] FINISH: Check if migration list file exists
[2026-02-08 23:52:46][INFO] START: Check connections
[2026-02-08 23:52:49][INFO] FINISH: Check connections
[2026-02-08 23:52:49][INFO] Check migration compatibility of source and target Plesk versions
[2026-02-08 23:52:49][INFO] Check that all required components are installed on source Plesk
[2026-02-08 23:52:49][INFO] START: Check whether services operate properly
[2026-02-08 23:52:50][INFO] FINISH: Check whether services operate properly
[2026-02-08 23:52:50][INFO]
Services' Issues
|
|- Service 'web on target Plesk server'
|
|- Service 'ftp on target Plesk server'
|
|- Service 'mail on target Plesk server'
|
|- Service 'dns on target Plesk server'
|
|- Service 'mysql on target Plesk server'
|
`- Service 'plesk on target Plesk server (***)'

[2026-02-08 23:52:50][INFO] The report was saved into the file /usr/local/psa/var/modules/panel-migrator/sessions/20260129234720/test_service_report.2026.02.08.23.52.50
[2026-02-08 23:52:50][INFO] ******************** Summary ********************
[2026-02-08 23:52:50][INFO] Operation finished successfully for 6 out of 6 services
[2026-02-08 23:52:50][INFO] Checked objects      Total Successful Warnings Failed
[2026-02-08 23:52:50][INFO] Service              6     6          0        0
[2026-02-08 23:52:50][INFO] All services are working correctly.
[2026-02-08 23:52:50][INFO] START: Fetch basic information about resellers, clients and domains data from source servers
[2026-02-08 23:52:50][INFO] Using the existing shallow dump for 'source'
[2026-02-08 23:52:50][INFO] FINISH: Fetch basic information about resellers, clients and domains data from source servers
[2026-02-08 23:52:50][INFO] START: Read migration list
[2026-02-08 23:52:50][INFO] FINISH: Read migration list
[2026-02-08 23:52:50][INFO] Read IP mapping file
[2026-02-08 23:52:50][INFO] START: Fetch information from source panel
[2026-02-08 23:52:50][INFO] START: Fetch configuration data from Plesk servers
[2026-02-08 23:52:50][INFO] Deploy migration agent to '***
[2026-02-08 23:52:54][INFO] Create source dump.
[2026-02-08 23:52:54][INFO] Creating hosting description
[2026-02-08 23:53:37][INFO] Converting hosting description to local configuration dump '/usr/local/psa/var/modules/panel-migrator/sessions/20260129234720/plesk.backup.source.downloaded.hosting-description.tar'
[2026-02-08 23:53:41][INFO] Creating remote configuration dump on the target server '/usr/local/psa/var/modules/panel-migrator/sessions/20260129234720/plesk.backup.source.downloaded.dump.tar'
[2026-02-08 23:54:16][INFO] Merging local and remote configuration dumps in '/usr/local/psa/var/modules/panel-migrator/sessions/20260129234720/plesk.backup.source.downloaded.merged.tar'

I don't know where to even begin troubleshooting this.
 
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