When you change the IP address of an IIS server then sometimes the listener is stuck to the old IP
Fix Unlicensed Office 2013 Error
This is a simple fix to repair a licensed copy of Microsoft Office 2013 that keeps appearing as an unlicensed
External DNS records for Lync Online (Office 365)
Lync desktop client autodiscover Type Host name Destination TTL CNAME sip.yourDomainName.com sipdir.online.lync.com 1 hour Lync mobile client autodiscover Type Host
Exchange 2007/2010 Hybrid Deployment & Migrating to Office 365
Those are notes for a migration to Office 365 using Hybrid Deployment. They are posts from severla blogs with some additions
Office365 SMTP email submission
SMTP Server: smtp.office365.comPort 587Use Transport Layer Security (TLS)Credentials must be valid Office 365 credentials