Symptoms

The security protocol for CRM Online services has been updated to TLS 1.2. This breaking change for integration products is implemented on CLR 4.6.1 and earlier versions. If the system has been affected by this change, it will experience failed connection requests (with no further diagnostics) from the Dynamics NAV application to CRM. You will also experience connection request failures when running the New-NAVCrmTable cmdlet of the Development Shell in Microsoft Dynamics NAV.

Note You can read information about the reasoning behind the TLS upgrade.

Resolution

Uninstall your current Dynamics NAV server and then install a new instance by using the setup.exe from the installation media (DVD) in the following table. To fix the issue with the New-NAVCrmTable cmdlet, copy the Microsoft.Dynamics.Nav.Model.Tools.dll file from the DVD to the installation and replace the existing file.

Note select and download one of the following installation media (DVD) depending on the country version of your Microsoft Dynamics NAV 2016 and 2017 database.

Country

Hotfix package for NAV 2016

Hotfix package for NAV 2017

AT - Austria

Download the NAV 2016 AT package

Download the NAV 2017 AT package

AU - Australia

Download the NAV 2016 AU package

Download the NAV 2017 AU package

BE - Belgium

Download the NAV 2016 BE package

Download the NAV 2017 BE package

CH - Switzerland

Download the NAV 2016 CH package

Download the NAV 2017 CH package

CZ- Czech

Download the NAV 2016 CZ package

Download the NAV 2017 CZ package

DE - Germany

Download the NAV 2016 DE package

Download the NAV 2017 DE package

DK - Denmark

Download the NAV 2016 DK package

Download the NAV 2017 DK package

ES - Spain

Download the NAV 2016 ES package

Download the NAV 2017 ES package

FI - Finland

Download the NAV 2016 FI package

Download the NAV 2017 FI package

FR - France

Download the NAV 2016 FR package

Download the NAV 2017 FR package

IS - Iceland

Download the NAV 2016 IS package

Download the NAV 2017 IS package

IT - Italy

Download the NAV 2016 IT package

Download the NAV 2017 IT package

IN - India

Download the NAV 2016 IN package

N/A

NA - North America

Download the NAV 2016 NA package

Download the NAV 2017 NA package

NL - Netherlands

Download the NAV 2016 NL package

Download the NAV 2017 NL package

NO - Norway

Download the NAV 2016 NO package

Download the NAV 2017 NO package

NZ - New Zealand

Download the NAV 2016 NZ package

Download the NAV 2017 NZ package

RU - Russia

Download the NAV 2016 RU package

Download the NAV 2017 RU package

SE - Sweden

Download the NAV 2016 SE package

Download the NAV 2017 SE package

UK - United Kingdom

Download the NAV 2016 UK package

Download the NAV 2017 UK package

All other countries

Download the NAV 2016 W1 package

Download the NAV 2017 W1 package

More information

Prerequisites

You must have Microsoft Dynamics NAV 2017 or Microsoft Dynamics NAV 2016 installed to apply this hotfix.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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