Configuring AD FS 2 with TMG-based SSO to Office 365

When configuring Office 365 for Single Sign On, Active Directory Federated Services 2.0 (AD FS) is the component that’s used to allow Office 365 to authenticate user accounts against your local Active Directory. In this article, we’ll walk through the installation and configuration of a Highly-Available AD FS environment, then the subsequent publishing via Microsoft…

DiscoverySearchMailbox in an Exchange 2007/Office 365 Hybrid environment causes DirSync errors

Whilst working on an Office 365-Exchange 2007 hybrid environment, you may experience errors similar to those shown below from the Directory Synchronization Error Report email and in Forefront Identity Manager: Identity Error Description DiscoverySearchMailbox {D919BA05-46A6-415f-80AD-7E09334BB852}@exchangelabs.co.uk Unable to update this object in Microsoft Online Services, because the attribute Username is not valid. Update the value in…