Concurrent Cloning of Virtual Machines Using A Single Template With Guest Customization Fails (1002584)
Concurrent cloning of virtual machines using a single template that has guest customization fails and throws the following error:
A general system error occurred: unexpected customization error
This issue arises with both the Virtual Infrastructure Client and the cloneVM API, if you use a single template with guest customization.
This is a limitation in VirtualCenter 2.0.x. There is no workaround for this issue.