Symptoms ... Citrix Receivers do not detect 2-factor authentication when connecting to APM. ... Impact ... Citrix Receivers do not detect 2-factor authentication. ... Conditions ... APM is configured as StoreFront proxy and 2-factor authentication is used. ... Workaround ... To enable 2-factor authentication, put a Variable Assign agent in front of the Logon Page in VPE with the following expression: session.citrix.client_auth_type = expr {"1"}. ... Added support for two-factor authentication for Citrix Receivers in StoreFront proxy mode. ... Two-factor RSA+AD auth for Citrix Receiver clients now requires a new VPE configuration when APM is configured in StoreFront Integration mode. ... Note: To avoid a potential issue, if Citrix Receiver was already configured against APM, the Receiver accounts must be recreated.