HP 3PAR Solutions Software for vSphere - Manual (Page 42)

4.16 Run Time Error Messages
3PAR VAAI Plug-in 1.1.0 for VMware vSphere 4.1 Users Guide
MESSAGE
3parvaai:ERR Failed to unregister the plugin. The module will be
unloaded anyway.
DESCRIPTION
Indicates that the VAAI Plug-in module was not properly unregistered as part of the cleanup
process that occurs when the VAAI Plug-in is unloaded from the ESX kernel. Even though the
3PAR VAAI plug-in module was not unregistered from VMware kernel, the module had been
unloaded from the kernel. After unloading the module, the ESX host needs to be rebooted.
SUGGESTED ACTION
None.