After searching the Skype Community forums I could not find an answer, but I did find this post, to which I replied. While I’m waiting for an answer there, which could take some time, I figured I’d post the question on the SE network as well.
I have two accounts: (1.) my work account with Skype for Business, which is installed along with Office 365 on my work Windows PC, Windows 7, and (2.) my personal Skype account, which is installed on my Mac, OS X 10.10.4. Both Skype applications are up-to-date.
Using SfB, I searched for my personal Skype account, found it, and sent an invite (at least I was told the invite was sent). But after logging on to Skype with my personal account on my Mac, I did not receive the invite.
Furthermore, despite this unhelpful article, when using Skype to search for my work SfB account, no results were found, even with the Allow anyone to contact me setting selected on that account.
Why can’t I receive an invite from Skype for Business on my Skype account? And why can’t I find my Skype for Business account on the Skype registry?