TLS 1.2 required to install and run LeanSentry

Because of the recent security changes, all endpoints necessary to install and operate LeanSentry require TLS 1.2.

This may present problems when attempting to install LeanSentry on servers that have .NET Framework versions below 4.6.

Review the table below for information on how you can enable LeanSentry to function:

.NET Framework 4.6+ 

No action needed, TLS 1.2 used by default.

.NET Framework 4.5

ACTION NEEDED: Upgrade to .NET Framework 4.6, or, apply a registry key to make TLS 1.2 the system default:

Set
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319 
SchUseStrongCrypto = 1 (DWORD)

.NET Framework 4.0

ACTION NEEDED: Upgrade to .NET Framework 4.6.

.NET Framework 3.5

ACTION NEEDED: Apply patch:

KB3154518	Reliability Rollup HR-1605 - NDP 2.0 SP2 - Win7 SP1/Win 2008 R2 SP1
KB3154519	Reliability Rollup HR-1605 - NDP 2.0 SP2 - Win8 RTM/Win 2012 RTM
KB3154520	Reliability Rollup HR-1605 - NDP 2.0 SP2 - Win8.1RTM/Win 2012 R2 RTM
KB3156421	1605 HotFix Rollup through Windows Update for Windows 10.

.NET Framework 2.0 SP2

ACTION NEEDED: Apply patch:

KB3154517 

If you are experiencing issues, please contact support.