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

Posted on 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 […]

Exchange 2013 Hybrid Wizard–Empty Certificate Dropdown

Posted on 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 […]

Office 365, RBL and rejections

Posted on 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 […]

How to migrate just about anything

Posted on 2 CommentsPosted in Anouncements, Documentation, Event Feedback, Exchange, Feedback, Office 365

I worked with the nice folks over at Mimecast to build a series of Webinars, which include: Webinar 1 – Migration planning: where to start Webinar 2 – How to design your Exchange migration process Webinar 3 – Migration gotchas: real world examples Webinar 4 – Measuring migration success I really enjoyed building these webinars, […]