Wildcard Domain Reconfiguration failed after upgrade from 11.0 to 12.0
/usr/local/psa/admin/bin/httpdmng --reconfigure-domain _.domain.tld [2014-11-20 23:22:50] ERR [util_exec] proc_close() failed Error occured while sending feedback. HTTP code returned: 502 [2014-11-20 23:22:56] ERR [panel] Apache config (14165221640.81710500) generation failed: Template_Exception: Refusing to create symlink '/etc/httpd/conf/plesk.conf.d/wildcards/domain.tld.conf': file with the same name already exists file: /usr/local/psa/admin/plib/Template/Writer/Webserver/Abstract.php line: 75 code: 0 cannot open /usr/sbin/sendmail.act: No such file or directory [2014-11-20 23:22:56] ERR [panel] Unable to send mail. [2014-11-20 23:22:56] ERR [panel] Administrator notification failed: Unable to send mail. Error occured while sending feedback. HTTP code returned: 502
Table dom_param for subdomain has a record about webmail, which should not be.
Software issue #PPPM-2321. This issue was fixed in Plesk 12.0 #MU 34
Make a Plesk Database backup
select * from domains where name ="subdomain name";
update dom_param set val = 'none' where dom_id = <id> and param = 'webmail';
/usr/local/psa/admin/sbin/httpdmng --reconfigure-domain *.<subdomain name>