Hostway email moved to Exchange Online, tested end to end after cutover
We moved Hi-School Pharmacy's email from Hostway Open-Xchange to Microsoft 365, kept its domain, and confirmed mail flow after cutover.
- mailboxes moved
- 14
- of email moved
- ~35 GB
- email domain and addresses kept
- Same
A new email platform, with the same email addresses
Hi-School Pharmacy's email ran on Hostway Open-Xchange, separate from everything else. The pharmacy wanted Microsoft 365 for its 14 users without changing anyone's email address, and without losing mail during the DNS switch.
Tested before and after the switch
- 1
Discovery
Confirmed the mailbox list, IMAP and DNS access, and a cutover window.
- 2
Tenant
Created the Microsoft 365 tenant, verified the domain, set up Exchange Online, and created and licensed 14 users.
- 3
Configuration
Set up the IMAP endpoint and migration batch, and tested connections before moving anything.
- 4
Migration
Moved all 14 mailboxes, about 35 GB in total, watching progress and fixing exceptions as they came up.
- 5
Cutover
Switched DNS, then tested inbound and outbound mail and each user's access.
Exchange Online, confirmed by the pharmacy
Hi-School Pharmacy's staff now use Exchange Online with the same email addresses. Inbound and outbound mail were tested after cutover, and the pharmacy confirmed access to every mailbox.
- All 14 mailboxes moved
- Inbound and outbound mail tested after cutover
- Same email domain and addresses
- Mailbox access confirmed by the pharmacy
- Exchange Online
- Microsoft 365
- IMAP migration
- DNS cutover
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