If vCenter Server is overloaded with requests, provisioning of a desktop pool can fail.

Provisioning of a desktop pool fails, and you see the following error message in the event database.

Provisioning error occurred on Pool Desktop_ID because of a timeout while customizing

vCenter is overloaded with requests.

In View Administrator, reduce the maximum number of concurrent provisioning and power operations for vCenter Server.

Configure additional vCenter Server instances.

For more information about configuring vCenter Server, see the VMware Horizon View Installation document.