How to set client reconnect timeout on Windwos 2012 VPN server?

Question

VPN

On Windows Server 2012 R2, the VPN server role has been raised and there is the following problem:
How can we make VPN sessions that were actually terminated not hang as existing ones on our VPN server?
This occurs when the VPN connection was not properly disabled, but let's say the client lost access to the Internet.