@C3SGInc - No, actually the value is the same as what is defined in Meraki Dashboard under Organization/Settings/Authentication/SSO Subdomain.   Screenshots below for reference:     Meraki screenshot:     Entra ID screenshot:       ... View more

As @CHTL-User mentions... Updating the Identifier (Entity ID) for the Meraki App in Entra ID from the default value of https://dashboard.meraki.com to https://[organisation].sso.meraki.com  resolved SP-Initiated access for me. Thanks!!! ... View more