
Failed to validate delegation token. Reason: InvalidExpired
When you test the Federation Trust that you have created between your On-Premise Exchange environment and the Microsoft Federated Gateway the Token Validation fails with the message ‘Failed to validate delegation token’ run the same command with the -Verbose switch to see detailed information on the error. If the reason is appears is InvalidExpired this can […]

Test-FederationTrust couldn’t find object extest
When you run Test-FederationTrust cmdlet; it fails with the error ‘Couldn’t find object “extest_<random number>”. Please make sure that it was spelled correctly or specify a different object’. The reason for this is because the ‘extest_<random number>’ user object that the system is trying to run the cmdlet with, does not exist in Active Directory. To skip this […]

How to Turn OFF the Reading Pane for OWA in Office 365
To turn off the reading pane in office 365 for OWA, follow the following steps. 1. When logged onto OWA click Options and select Display Settings as shown in the Figure below. 2. In the Display Settings window select ‘Hide Reading Pane’ under Layout. Also tick the checkbox next to ‘Apply to All Folders’ and then click […]

First Time and Subsequent User Experience with Multi-factor Authentication via Mobile Phone
In a previous article I mentioned about ‘How to Setup Azure Multi-Factor Authentication’. 1. After the user has successful provided the correct password during log on through the Office 365 portal page, the following message will be displayed. ‘Your admin has required that you set up this account for additional security verification.’ In this article […]

How to Setup Azure Multi-Factor Authentication
How to Setup Azure Multi-Factor Authentication Multi-Factor Authentication helps safeguard access to your data and applications. Before access is granted users must authenticate by using a mobile app or by responding to an automated text message or phone call. To set up Azure Multi-Factor Authentication, follow the following steps: 1. Sign in to the Office […]