When clicking on a link from a walk-up notification, users are asked to sign in even though SSO (Single Sign-On) is enabledIssue Users are notified via email when they are next in the Walk-Up queue. If a user wishes to cancel their place in the queue, they can click on the link provided from the notification. The link points to the walkup portal however, if SSO is enabled, users will be unable to sign in and cancel their place in the Walk-Up queue. ReleaseAll releasesCauseSSO has not been enabled for the portal page being uses.ResolutionIn order to enable SSO for these links, figure out what portal the links are redirecting to. For example, if the link is similar to below we know the portal the link is redirecting to is the sp portal page. https://instance_name.service-now.com/sp?id=walkup_online_checkin&location_id=201f614c1b20770472c91fc58d4bcbcc Once you are aware of what portal needs SSO enabled, you can simply go to the sp_portal table and navigate to that portal record. From there, you can enable SSO by following the steps provided in the below documentation. page: Single sign-on, logins, and URL redirects Related LinksIf the above solution does not work, there is additional documentation you can refer to regarding email links with SSO: Email links with SSO