Hi Simon R , 

Thanks for reaching out . Yes, both Windows Server 202 and Terminal Services Windows Server 2022 are supported in Sage 50 Canada version 2024.
Here's a link to the system requirements. 

Warm Regards, 
Erzsi

Thank you so much for providing the answer and link.

Now I can upgrade peacefully!

You're very welcome! if this suggested answer helped, please mark it as verified  (by clicking the "Verify Answer" button next to Reply, on the response) for the benefit of others in this forum . Thank you!