Office 365 Migration error: The Subscription for the migration user couldn’t be loaded

Posted Posted in Office 365

If you’re migrating to Office 365, you may notice this error message, irrespective of your modality of migration, i.e.e cutover, IMAP or Hybrid mode migrations. The exact error message read: The Subscription for the migration user USER@DOMAIN.COM couldn’t be loaded. The following error was encountered: A subscription wasn’t found for this user.   There are […]

Office 365 users cannot see on-premises free/busy

Posted Posted in Office 365

Issue My Customer introduced an Exchange 2013 server into the Exchange 2010 based organisation, however found that Inbound Free/Busy tests failed using Office 365 based OWA. The W3SVC IIS logs revealed the following error – the line has been shortened for clarity POST /autodiscover/autodiscover.svc/WSSecurity & ASAutoDiscover/CrossForest/EmailDomain//15.01.0225.018 – 500 0 0 124 Cause The Exchange 2013 […]

Exchange 2013 Hybrid Wizard–Empty Certificate Dropdown

Posted Posted in Office 365

When Running the Hybrid mode wizard in Exchange 2013, occasionally you’ll find that the certificate dropdown selector within the wizard is empty, even though you’ve confirmed that the certificate is a valid third party certificate services have been assigned to the same certificate in Exchange with a screen which looks as follows:   We can […]

Hybrid Cloud – What does it mean for you?

Posted Posted in Upcoming Events

A few years ago, “cloud” was mostly considered the originator of precipitation of any sort. We talked about “clouds” with silver linings, earth bound forms of the same, such as mist or fig, and even the “fog of war”. We now rate clouds in terms of computing and storage capacity. Before “cloud” was hip, we […]

Office 365, RBL and rejections

Posted Posted in Exchange, Office 365, Tips & Tricks

Occasionally during your working day, you may find that email is rejected after is it sent with a notice similar to the following: Delivery has failed to these recipients or groups: Nicolas Blank Your message wasn’t delivered due to a permission or security issue. It may have been rejected by a moderator, the address may […]