Have a user using Lync 2013, where when she double-clicks someone in her contact list, it starts a three person conversation between her, that person, then an additional person. it happens for anyone she clicks, and it always adds that same 3rd person.
But if she signs out and back in to Lync, if she double-clicks those people it then only has her and that person in the conversation like it should.
How can I fix this?