Hello Stacy,
Thank you for your message.
In order for Remote Utilities WoL feature to work, the following requirements must be met:
1. The Host is in direct visibility to Viewer over LAN. Viewer and Host must be on the same LAN subnet because WoL magic packet, generally, isn't routeable across subnets by definition.
2. You must connect from Viewer to Host at least once so that the Viewer could derive and cache the MAC address of the Host.
If the problem persists it could be caused by a bug that we have already found in the most recent version and this is going to be fixed in the nearest subminor update.