Useful troubleshooting KB's
To help any support professional....
Troubleshooting:
Windows feature lets you generate a memory dump file by using the keyboard
https://support.microsoft.com/kb/244139
Enabling debug logging for the Net Logon service
https://support.microsoft.com/kb/109626
Troubleshoot domain verification issues in Office 365
https://support.microsoft.com/kb/2515404
How to troubleshoot Identity Federation client devices in Office 365
https://support.microsoft.com/kb/2530713
How to troubleshoot calendar issues in Microsoft Outlook, Microsoft Exchange Server 2007, and Microsoft Exchange Server 2010
https://support.microsoft.com/kb/971878
more to come...