This Cumulative Update 12 includes hotfixes and regulatory features released for Microsoft Dynamics NAV 2015, including hotfixes and regulatory features released in previous Cumulative Updates.
**Note**: You must convert the database if you are upgrading to this cumulative update from a cumulative update earlier than cumulative update 9 (build 41779). For more information, see [Converting a Database](https://msdn.microsoft.com/en-us/library/dn271650(v=nav.80).aspx) in Help for Microsoft Dynamics NAV.
The cumulative update includes hotfixes that apply to all countries and hotfixes specific to the following local versions: 1. AU - Australia
You can download the cumulative update from [KB 3121037 – Cumulative Update 14 for Microsoft Dynamics NAV 2015](https://mbs2.microsoft.com/Knowledgebase/kbdisplay.aspx?scid=kb,en-us,3121037) ## Warning
Before you install a cumulative update in a production environment, take the following precautions: 1. Test the cumulative update in a non-production environment.
See [How to install a Microsoft Dynamics NAV 2015 Cumulative Update](https://mbs2.microsoft.com/Knowledgebase/kbdisplay.aspx?scid=kb,en-us,3021418) .