System logging is not configured on host Esxi 5.1/5.5/6.5 Syslog Errors
Change Advanced Settings (This is suitable for older version 5.1/5.5)
Select the Host Server, Configuration Tab > Advanced Settings
On Clicking Advanced Settings, the Advanced Dialogue box will appear
Change Advanced Settings (This is suitable for version 6)
Select the Host Server, Configuration Tab > Advanced System Settings
On Clicking Edit
Expand the Syslog entry This op
Setting Syslog datastore
The variable Syslog.global.logDir is used to define a VMFS datastore location. e.g. [datastore1]
Start your web browser, go to https://vcenter server name or IP/mob
Select and copy the name of the plug-in you want to remove from the list of values under Properties. For a list of default plug-ins, see the Additional Information section of this article.
Click UnregisterExtension. A new window appears.
Paste the name of the plug-in and click Invoke Method. This removes the plug-in.
Close the window.
Refresh the Managed Object Type:ManagedObjectReference:ExtensionManager window to verify that the plug-in is removed successfully.