Please enter your working email/upn as your login account.

Examples: alias@microsoft.com, alias@cme.gbl, alias@oe.21vianet.com

This is Home Realm Discovery (HRD) page.

HRD tells users where to go to authenticate and receive an authentication token.

Users will be presented with the HRD page prior to authentication.

HRD sets a persistent file-based cookie, which lasts for 30 days, unless deleted.

Users should not see this page more than once a month.