SymptomsDuring the upgrade procedure to Parallels Plesk Panel version 10.4.4, you see the following error message:
Start upgrade of subdomain xn--h1acbxfam.test.dom
Start moving via CLI: xn--h1acbxfam.test.dom
Error catched: Failed to perform IDN conversion from UTF-8 name 'ÑÑÑÑÐºÐ¸Ð¹.test.dom'; #0 /usr/local/psa/admin/plib/common_func.php3(2557): Domain_Properties::getNameByDisplayName('???????????????...')
CauseThere is an error in the subdomains upgrade script.
ResolutionRun the subdomains upgrade script again after the upgrade:
# /usr/local/psa/bin/sw-engine-pleskrun /usr/local/psa/admin/plib/scripts/upgrade_dns_1011.php