Split from this thread.

Unable to send or receive messages for the Hotmail.co account.

Server Error: 0x80072EFD
Server: 'https://mail.services.live.com/DeltaSync_v2.0.0/Sync.aspx'
Windows Live Mail Error ID: 0x80072EFD

I,m having trouble as well.This is the error log.I have un/reinstalled Essentials 2012 on W7Ultimate.

Still nothing.

Cheers.