<https://forums.cpanel.net/threads/account-upgrade-downgrade.31102/>
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"Good morning from Greece,\r\n\r\nIf me or my resellers select mass account upgrade/downgrade, some times during the upgrade/downgrade of the accounts the system hangs, the load jumps up to 150 (!!!) and I have to reboot my box. Has anyone experienced the same problem?"
<https://forums.cpanel.net/threads/account-upgrade-downgrade.31102/>