Symptoms
NG webspaces cannot be created. First tasks fail with:
Task name Creating virtual host directory structure for domain service with ID 1595
Last execution output User 'g100496' does not exist.
Cause
Pleskd is not properly restarted on Web Servers NG during upgrade. NSS plugin is not loaded into it, system users that are present in configuration database cannot be found.
Resolution
Restart pleskd
and shstg
services :
# service pem restart && service shstg restart
on Web Servers, which are part of cluster.