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## Overview
This cumulative update replaces previously released cumulative updates. You should always install the latest cumulative update. This update adds the ability to [connect Dynamics NAV 2016 with Dynamics 365 for Sales (Dataverse or CRM Online) via OAuth authentication type]().It may be necessary to update your license after you install this hotfix to gain access to new objects that are included in this or a previous cumulative update. (This applies only to customer licenses.)
For a list of cumulative updates that were released for Microsoft Dynamics NAV 2016, see [released cumulative updates for Microsoft Dynamics NAV 2016](). Cumulative updates are intended for new and existing customers who are running Microsoft Dynamics NAV 2016.
**Important**
We recommend that you contact your Microsoft Dynamics Partner before you install hotfixes or updates. It is important to verify that your environment is compatible with the hotfixes or updates that will be installed. A hotfix or update may cause interoperability issues with customizations and third-party products that work together with your Microsoft Dynamics NAV solution.**Problems that are resolved in this cumulative update**The following problems are resolved in this cumulative update.**Platform hotfixes **ID| Title
—|—
404174| Enable the connection to Dataverse by using the OAuth authentication type.
## Resolution
**How to obtain the Microsoft Dynamics NAV update files**This update is available for manual download and installation from the Microsoft Download Center.[Cumulative update CU 67 for Microsoft Dynamics NAV 2016]()**Which hotfix package to download**This cumulative update has multiple hotfix packages. Select and download one of the following packages depending on the country version of your Microsoft Dynamics NAV 2016 database.**Country**| **Hotfix package**
—|—
AT – Austria| Download the CU 67 NAV 2016 AT package
AU – Australia| Download the CU 67 NAV 2016 AU package
BE – Belgium| Download the CU 67 NAV 2016 BE package
CH – Switzerland| Download the CU 67 NAV 2016 CH package
CZ- Czech| Download the CU 67 NAV 2016 CZ package
DE – Germany| Download the CU 67 NAV 2016 DE package
DK – Denmark| Download the CU 67 NAV 2016 DK package
ES – Spain| Download the CU 67 NAV 2016 ES package
FI – Finland| Download the CU 67 NAV 2016 FI package
FR – France| Download the CU 67 NAV 2016 FR package
IS – Iceland| Download the CU 67 NAV 2016 IS package
IT – Italy| Download the CU 67 NAV 2016 IT package
IN – India| Download the CU 67 NAV 2016 IN package
NA – North America| Download the CU 67 NAV 2016 NA package
NL – Netherlands| Download the CU 67 NAV 2016 NL package
NO – Norway| Download the CU 67 NAV 2016 NO package
NZ – New Zealand| Download the CU 67 NAV 2016 NZ package
RU – Russia| Download the CU 67 NAV 2016 RU package
SE – Sweden| Download the CU 67 NAV 2016 SE package
UK – United Kingdom| Download the CU 67 NAV 2016 UK package
All other countries| Download the CU 67 NAV 2016 W1 package
**How to install a Microsoft Dynamics NAV 2016 cumulative update**See [How to install a Microsoft Dynamics NAV 2016 cumulative update]().**Prerequisites**You must have Microsoft Dynamics NAV 2016 installed to apply this hotfix.
## More information
See more information about [software update terminology ]()and [Microsoft Dynamics NAV 2016]().
## Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the “Applies to” section.Read More