Dynamics GP - Web Client - Self signed Certificate for more than 1 year

• Use MakeCert tool
• https://msdn.microsoft.com/en-us/library/windows/desktop/aa386968(v=vs.85).aspx
• Download the SDK, install it
• Look in folder
• C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin 
• Use this template to generate your certificate
• http://www.jayway.com/2014/09/03/creating-self-signed-certificates-with-makecert-exe-for-development/

Makecert has been deprecated, and powershell is now used

https://glennopedia.com/2016/11/25/using-powershell-to-create-a-self-signed-certificate-for-longer-than-1-year/

New-SelfSignedCertificate -Subject “RDS.Contoso.local” -DnsName “RDS.Contoso.com”, “www.contoso.com” -CertStoreLocation “cert:\LocalMachine\My” -KeyAlgorithm RSA -KeyLength 2048 -KeyExportPolicy Exportable -NotAfter (Get-Date).AddYears(5)