We regularly help businesses migrate from one Office 365 to another Office 365 tenant. A verycommon use case involves the transition between (or within) email providers or splitting out business units or the migration of tenants between organizations. Microsoft warns that a new Office 365 tenant may be inaccessible for as long as 24 hours during the migration, which means there is a chance for email to be lost. Microsoft’s guide to migrating email accounts between Office365 tenants includes the following instruction:
Despite the rise of tools like Slack, Skype or Jabber the reality is that nearly all business communication between companies is over email. When your mail server is compromised and goes offline, not only internal communications will be disrupted, but external ones as well. Sales inquiries, customer service requests, and important inter-business communication channels will be cut off, and inbound emails will bounce, causing potentially significant disruption and potential loss of revenue.
What can you do when your cloud hosting provider leaves you stranded with an outage?
Today Microsoft acknowledged that Office 365 is experiencing a European outage, this is the second time in three months Office 365 has been inaccessible for an extended period of time.