No security updates since Oct 2025
Exchange Server Deployment in UAE & KSA
Need to keep email on-premises for data residency, compliance or hybrid coexistence? M365 Enterprise Hub deploys and upgrades Microsoft Exchange Server for organizations in the UAE and Saudi Arabia, including moves to Exchange Server Subscription Edition (SE) now that Exchange 2016 and 2019 are out of support.
What Are Exchange Server Deployment Services?
Exchange Server deployment is the design, installation and configuration of Microsoft’s on-premises email platform: mailbox servers, Database Availability Groups (DAGs), mail flow, certificates, client access and security. It also covers upgrades, hybrid configuration with Exchange Online and decommissioning old servers.
If you plan to move to the cloud instead, see our Exchange Online migration service.
Exchange Deployment Options
We deploy the model that fits your compliance and business requirements.
Why Exchange Server Upgrades Are Urgent
Exchange Server 2016 and 2019 reached end of support on 14 October 2025. They no longer receive security updates, and Exchange has been one of the most heavily exploited on-premises products in recent years.
Moving to Exchange SE or Exchange Online closes that risk, keeps you supported, and protects your email with modern email security.
Our Exchange Server Services
End-to-end delivery, from design to decommissioning.
01Design & Sizing
Mailbox, storage and DAG design based on users, mailbox sizes and growth.
02Installation & Configuration
Exchange SE install, certificates, namespaces, connectors and client access.
03High Availability
Database Availability Groups across sites with tested failover.
04Mailbox Migration
Move mailboxes, public folders and arbitration mailboxes from older versions.
05Security Hardening
Extended Protection, TLS 1.2+, AMSI integration, patching and admin access control.
06Decommission Old Servers
Clean removal of Exchange 2013, 2016 or 2019 servers and AD objects.
Common Exchange Server Problems We Fix
Issues we see in on-premises email environments:
Unsupported versions
Exchange 2013, 2016 or 2019 still running in production.
Missing security updates
Servers months behind on CUs and SUs.
No high availability
One mailbox server and one database for the whole company.
Mail flow issues
Misconfigured connectors, certificates and SPF, DKIM or DMARC.
Our Deployment Process
- 01Assess
Review current Exchange, AD, mail flow and compliance needs.
- 02Design
Architecture, sizing, HA and namespace plan.
- 03Build
Install and configure Exchange SE in coexistence.
- 04Migrate
Move mailboxes in batches, switch mail flow.
- 05Decommission
Remove legacy servers and hand over documentation.
Legacy Exchange vs Exchange SE by Us
| Area | Legacy Exchange 2016/2019 | Exchange SE by M365 Enterprise Hub |
|---|---|---|
| Support | Supported, updated and patched | |
| Availability | Single server | DAG high availability |
| Security | Legacy TLS and auth | Extended Protection and modern TLS |
| Roadmap | Dead end | Ready for hybrid or Exchange Online |
Why Choose M365 Enterprise Hub for Exchange Server?
Our messaging engineers have deep experience with on-premises, hybrid and cloud Exchange, so we can advise objectively on whether to stay on-premises or move to Exchange Online.
Exchange Specialists
Hands-on experience across every Exchange version.
Zero Email Downtime
Coexistence-based migrations with batch cutovers.
Compliance Aware
Designs for UAE and KSA data residency requirements.
Exchange Server Deployment FAQs
No. Exchange Server 2016 and 2019 reached end of support on 14 October 2025. Microsoft no longer releases security updates for them, so organizations should move to Exchange Server Subscription Edition or Exchange Online.
Exchange Server SE is the current on-premises version of Exchange, released in 2025. It follows Microsoft’s Modern Lifecycle Policy, receiving continuous updates as long as you keep subscription licenses or Software Assurance.
Exchange Online suits most organizations. On-premises Exchange SE makes sense for strict data residency, air-gapped networks or specific integrations. We assess both options with you.
Yes. Exchange 2019 CU15 servers can be upgraded in place to Exchange SE. Older versions need a side-by-side migration.
Small environments take two to four weeks. Larger multi-site or DAG environments usually take six to ten weeks including mailbox moves and decommissioning.
Yes. Our enterprise messaging architecture service covers multi-site, hybrid and compliance-driven email design.