[WindowsCentral.com]

Connection errors are currently plaguing the Your Phone service.
What you need to know

[LIST][*]Microsoft's Your Phone app and service are down right now.[*]Users may experience connection errors between their phone and the Your Phone app.[*]Microsoft has acknowledged the issue and is working on a fix.[/LIST]
If you've noticed the Your Phone app on your PC isn't working as expected today, it's not just you. Microsoft has acknowledged that there's an issue impacting the service today, with users experiencing connection issues between their phones and PCs.

Full story from the WindowsCentral blog...