Identityserver4 – change the default 'AccessTokenLifetime' from 3600

in Startup class

where can i change the default Expiration time. (AccessTokenLifetime)

>Solution :

You don’t control that in Startup.cs, instead you configure that per client in the client configuration.

var client = new Client()
{
    ClientId = clientId,
    ClientName = "My Client application",
    ClientUri = "https://www.tn-data.se",
    RequirePkce = true,

    AccessTokenLifetime = 3600,

This allows different clients to have different token lifetimes.