Infrastructure Support – Office365 Administration
- ATMECS – Content Team
Challenges:
- Limited documentation
- Phased migration from on-prem to hybrid and then to cloud
- Mailbox sizes during migration to cloud
- 3rd party add-on integration failures during migration
Solution Approach:
- Managing mailbox databases to accumulate storage by moving mailboxes when required
- Installing update rollups and security updates for CAS, HUB, UM and mailbox servers
- Rebooting Exchange servers to ensure equal system resource allocation for all the databases
- Monitoring and verifying replication health and status for the mailbox servers in DAG using exchange management shell
- Configured accepted domains, send connectors for the hybrid mail flow
- Configured directory sync in staging mode
- Planning mailbox migrations in phases considering various departments
- Performing mailbox moves to office 365 and completing the move requests as scheduled
- Configuring transport rules on office 365 to improve the tenant Microsoft Score
- Manage recipients, Groups, resource mailboxes, shared mailboxes and active sync devices
- Setup conditional access for Office 365 apps and Intune policies to manage ActiveSync devices
- Enable auto expand archive quotas, archive mailboxes and Set up retention tags and retention policies
ATMECS Contribution:
- Suggested and implemented disabling email forwarding option from the office 365 outlook web app options to improve security
- Outlook settings such as safe senders list, auto download pictures for safe senders using GPO to increase usability