Hello All,
I have been trawling through the community now trying to solve this one, and not yet come up with an answer or solution and was hoping that someone might be able to help me out.
I have implemented a Hybrid organisation config with our on premise Exchange 2010 SP3 CU6 server and office 365.
After the hybrid configuration was completed, i created two test accounts and migrated them and their email into the Office 365 Cloud, after which they functioned as expected. Outlook re-configured, prompted for password, and signed the account in. After migrating these users I proceeded to migrate the two I.T administrator accounts in our organisation for testing. These accounts also successfully migrated and performed as expected.
Our problems started when we migrated an existing, but old user account. After the migration had completed,...