Hello John,
Thank you for your message.
Could you please clarify if I’m right in assuming that you mean just any notification on the remote Host machine (i.e. notifications that are not related to RU)?
If this is the case, please try enabling the
Capture aplha-blending window feature. In order to enable it, please right-click on the remote connection in the address book and select
Connection properties.
In the connection properties navigate to the
Additional properties section and select the
Capture alpha-blending windows checkbox:

Please let me know if the issue persists.