A company wants to allow sales personnel to use laptops to access the internal VDI. Due to security constraints, VDI desktop pools for travelers will not be granted access to the Internet. Sales personnel however will be able to access links from email or other documents from their VDI sessions.
What can be implemented to meet these requirements?
A customer reported that during maintenance activity, some users were unable to connect to assigned desktops and received an error that the pool had no desktops available. Other users were able to connect to their assigned desktops without issue.
Which three reasons could be the cause of the failure? (Choose three.)