The VMware Knowledge Base provides support solutions, error messages and troubleshooting guides
ESX Server 3i version 3.5 occasionally fails to reboot the server when a reboot is issued (1009394)
On ESX server 3i version 3.5, the system might fail to reboot. This occurs when the following Sysalert warning is observed in vmkernel logs:
ALERT: UserCartel: 993: bootstrap/init UW died
This issue is resolved in ESX server 3i version 3.5 Patch ESXe350-200904401-I-SG.
For prior ESX server 3i version 3.5 versions, no workaround exists for this issue.
Request a Product Feature
To request a new product feature or to provide feedback on a VMware product, please visit the Request a Product Feature page.