All GP customers, ISVs, VARs and consultants should bear in mind that GP 2010 mainstream support ends on October 13, 2015.
Extended support runs till 2020, however it is strongly advised to upgrade your GP to most recent version (or a higher version on which your other modules/add-ons are compatible with).
You may want to bookmark this complete support schedule on Microsoft’s portal: Microsoft Support Lifecycle – Dynamics GP.
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