Dynamics AX 2009 SP1 ending support in 2018
REMINDER: AS detailed on the official Microsoft Lifecycle policy page, Dynamics AX 2009 SP1 will reach end of mainstream support October, 2018.
https://support.microsoft.com/en-us/lifecycle/search?alpha=Dynamics%20AX%202009
Extended support definition is found here: https://support.microsoft.com/en-us/help/14085