How to SecurID-protect OWA using single sign-on (SSO) when OWA is in a cluster
Originally Published: 2005-01-27
Article Number
Applies To
Microsoft Windows Server 2003
Microsoft Exchange Server 2003
Microsoft Outlook Web Access (OWA)
Single Sign-On (SSO)
Issue
Users are be prompted for an Exchange authentication after the SecurID challenge. The authentication requests fail, even if the correct Windows password is used.
Error: "401 unauthorized" when trying to access mailboxes using Outlook Web Access (OWA)
Cause
Resolution
See Error: '401 unauthorized' when trying to access mailboxes through SecurID-/SSO-protected OWA for instructions to set SPN's.
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