HOWTO: Enable TLS1.2 with Zetadocs for NAV Print ZTN4513 This Zetadocs technical note applies to: Zetadocs for NAV 10.0 Summary This technote describes how to enable the TLS 1.2 encryption protocol by adding a windows registry key. More information To enable the TLS1.2 encryption protocol, a registry key must be added to the server running the NAV service. The steps to follow are: Open the Registry key editor (regedit in the windows search) · The key to add is HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319: SystemDefaultTlsVersions. This key is a DWORD of value 1. Restart of the operating system. Adding this registry key to 1 allows the operating system to choose the TLS version for applications targeting the .NET framework 4.6.1 such as Zetadocs for NAV 10.0. Note: Some systems might require setting the registry key HKEY_LOCAL_MACHINE\SOFTWARE\ Wow6432Node\Microsoft\.NETFramework\v4.0.30319: SystemDefaultTlsVersions instead. References For further information, please refer to the Transport Layer Security (TLS) best practices with the .NET Framework by Microsoft. Last updated: 6th July 2018 (CR/JC) Keywords: TLS, encryption, Zetadocs, Zetadocs for NAV NAVTLS Related articles PRB: 'Internet browser is not installed' error when authenticating with SharePoint Online or opening documents from the Factbox HOWTO: Upgrading the Zetadocs Expenses Connector for Business Central and NAV on-premises PRB: Factbox returns the error message 'SharePoint authorisation was refused' INFO: Enabling detailed logging within the Client Side (32-Bit) Zetadocs Factbox INFO: Enabling detailed logging within the Zetadocs Server (Document Converter)