HMH: Your Single Sign On Connection has expired

Error

When a user is unable to sign in and is prompted “Your Single Sign On (SSO) Connection/Configuration has expired,” this is caused by using an old/invalid link. This error is depicted below.

Solution

To resolve this issue, please use the current Single Sign On (SSO) link: https://papi.hmhco.com/login/initialize?iss=hmh-prod-32f19384-92af-4d00-acfd-6bb424fbd4f. If the invalid link is on a shared site, please inform the owner to update the link.

You may bookmark this new link if you prefer, however, the link may change and require you to update the bookmark. Please only bookmark this new link with caution: https://papi.hmhco.com/login/initialize?iss=hmh-prod-32f19384-92af-4d00-acfd-6bb424fbd4fe.