Anonymized engagement summary: Exchange Server 2010 to Exchange Server 2019 migration for a municipal government (2023)
Anonymized engagement summaryMunicipal government · 2023
Opening answer. In 2023 EPC Group was engaged by a municipal government to move all email services from Exchange Server 2010 on premises to a new Exchange Server 2019 system. The work runs in order:
1. discovery with EPC Group's own tools 2. Active Directory clean-up for Exchange 2019 and Azure AD Connect 3. design, hardware sizing and build of Exchange 2019 4. a pilot with the new system running in parallel with the old 5. migration with EPC Group's migration tool 6. training for technical staff and end users
This is an anonymized engagement summary published under EPC Group's anonymized-engagement rule: the client is not named, no commercial terms are published, and every statement is EPC-reported. Named, documented engagements are in the Evidence Center.
Problem and scope
| Item | Scope |
|---|---|
| Organization | A municipal government |
| Source | Exchange Server 2010 on premises |
| Target | A new Exchange Server 2019 system on premises, set up for the municipality's needs |
| Discovery | Evaluation of the 2010 system; exact mailbox sizes and item counts; current DNS and MX records and SMTP relays; a documented, trackable plan with end-user communication |
| Source preparation | Clean-up of Exchange misconfigurations; Active Directory clean-up and optimization for Exchange 2019 and Azure AD Connect |
| Target build | Technical design; hardware sizing and server requirements for Exchange 2019 and its hosts; host servers provisioned; prerequisites and Exchange 2019 installed; mailboxes, accounts and roles; advanced email security; mailbox quotas and archiving and retention policies |
| Pilot | Exchange 2019 runs in parallel with Exchange 2010, with pilot users onboarded before migration |
| Migration and enablement | EPC Group's migration tool moves users, mailboxes and their data items unchanged; training and knowledge transfer for technical staff and end users |
Not reported: mailbox counts and volume, the cut-over date and any measured result.
Approach and artifacts
Measure the mail before moving it. Mailbox sizes and item counts are measured before the move. DNS, MX records and SMTP relays are recorded during discovery.
Run old and new side by side. Exchange 2019 goes into a pilot alongside Exchange 2010 before migration, with pilot users onboarded first.
Prepare the directory for what comes next. The Active Directory clean-up targets readiness for both Exchange 2019 and Azure AD Connect.
What EPC Group delivered and what is not claimed
| Claim | Basis | Status |
|---|---|---|
| The municipality contracted EPC Group to migrate Exchange 2010 to Exchange 2019 | EPC engagement record | Contracted (EPC-reported) |
| Migration completed, accepted, or measured results | Not reported | Not claimed |
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Last updated by Errin O'Connor, Founder & Chief AI Architect, EPC Group
Related service: Exchange Server Consulting | Migration
Author: Errin O'Connor, Founder & Chief AI Architect, EPC Group · Published October 25, 2026 · Project alias EPC-2023-ANON-MUNI-EXCH2019 · Published under the anonymized-engagement rule.