Increase Dynamics CRM Logout timout

• Open the windows powershell in the adminsitrator mode.Type the below command

Get-ADFSRelyingPartyTrust -Name "relying_party"

Where you replace the “relying_party” with the name you identified in

• In our case the command will be: 

Get-ADFSRelyingPartyTrust -Name “CRM IFD Relying Party“

• The command to set the time you want to set for Auto Logout.

Set-ADFSRelyingPartyTrust -Targetname “CRM IFD Relying Party“ -TokenLifetime 720

Note: The 720 is time in minutes. 12 Hours in this case. You can change the value up and down as liked

Thanks to https://www.interactivewebs.com/blog/index.php/server-tips/crm-2015-extend-auto-logout-time-in-ifd/