Protected: Upgrade to Skype for Business Server 2015 by David Papkin dpapkinJanuary 22, 2016 David Papkin Category, microsoft, Skype For Business Enter your password to view comments. This content is password-protected. To view it, please enter the password below. Password: david mark papkin, David Papkin, davidpapkin, SFB, skypeforbusiness ← Disaster Recovery in Skype for Business 2015 by David Papkin Skype for Business 2015 Planning Tool by David Papkin →