Rob Walton is the owner, and lead consultant, of office365migrate.com.
30+ years experience in email & cloud technologies | 50+ organisations safely migrated to M365 | Exchange, Tenant-Tenant, GoDaddy, IMAP, Google, GroupWise | Global remote delivery.
Discuss your M365 migration project with a free initial consultation. Book a fixed price M365 Cyber Security Assessment based on the CIS benchmarks.
When starting out on your Office 365 migration project, reduce the risk of it going wrong. Hire a true Office 365 migration expert to help you navigate the many pitfalls you can encounter. No M365 migration project is the same, and you cannot plan, or predict, for all events. By hiring an O365 migration expert, you will be able to react quickly to the unforeseen events that will occur – and that will lead to a successful project.
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Still using Exchange 2016/2019 in hybrid mode? Microsoft ended support for Exchange 2016 & 2019 versions in October 2025. We can help you prepare for Exchange SE (Subscription Edition).
Q: Why do I need an “Office365 migration services expert” for my migration project?
A: Office365 migration project can go badly wrong if you do not use an expert. An expert is someone who has done the work many times before. Also providing guidance to ensure minimal mistakes are made.
Q: How many Office 365 migrations does it take to become an expert in migration services?
A: An Office 365 migration consultant must complete over 20 medium sized migrations to become an “expert”.
Q: Which countries do you cover for Office 365 migration expert services?
A: I cover all countries remotely, and can arrange for onsite on request.
Q: Do you cover SharePoint migrations?
A: Yes, I cover SharePoint migrations from SharePoint on-premise to SharePoint Online, and also Tenant to Tenant SharePoint migrations.
Migrating to Microsoft 365 involves far more than simply moving email from one system to another. An experienced O365 migration expert helps reduce the technical and business risks associated with migration while ensuring that users can continue working throughout the transition.
A successful migration begins with understanding the existing environment, including mailboxes, domains, identities, permissions, applications and email routing. Particular attention must be given to Microsoft Entra ID identity configuration, user matching and licensing to prevent duplicate accounts, authentication problems and inaccessible mailboxes.
During staged or larger migrations, coexistence may also be required so users on the old and new platforms can continue exchanging email while migration batches are completed. DNS and mail-flow planning are critical at this stage. MX records, Autodiscover, SPF, DKIM and DMARC must be coordinated with Microsoft 365 and any existing email gateways or third-party services.
Selecting and configuring the correct migration tooling is equally important. Depending on the source environment and migration requirements, tools such as Microsoft migration services, BitTitan MigrationWiz or Quest can be used to migrate email and other data while maintaining integrity and providing migration reporting.
The final cutover should be carefully planned, with pre-migration testing, documented change procedures and a practical rollback strategy if unexpected problems occur. DNS changes, final synchronisation and mail-flow testing should be coordinated to minimise disruption and avoid lost or misdirected email.
Migration does not end when the final mailbox is moved. Post-migration security should include verification of SPF, DKIM and DMARC, MFA and Conditional Access, administrative permissions, external forwarding, mail-flow rules and Microsoft 365 security settings.
Hiring an experienced O365 migration expert provides an independent technical resource who can plan the migration, anticipate problems, troubleshoot issues quickly and ensure the new Microsoft 365 environment is both operational and secure from day one.
A common migration scenario we are asked to help with is from GoDaddy hosted Office 365 migrating to a new clean Office 365 Tenant. GoDaddy have lots of customers, and many of them use their Read more
We often get asked to help with email forensic expert work during an email migration project. Senior leadership may require a discrete email forensic investigation carried out. The other common request related to email forensic Read more
As we close off 2024 it is a good time to remind ourselves when Exchange 2016 and Exchange 2019 support ends. Microsoft have a date of October 14th 2025 for support ending for both Exchange Read more
If you are running Exchange 2019 in your environment, including as part of an Exchange Hybrid setup, then you should be running the latest Exchange 2019 CU14 update. Exchange 2019 CU14 provides a number of Read more
TLS 1.3 was introduced back in August 2018. However, Exchange 2019 and Exchange Online do not currently support it. Windows 2022 has introduced support for TLS 1.3, but Exchange 2019 does not support it, so Read more
DANE support with DNSSEC for Inbound SMTP Exchange Online Microsoft now supports the use of SMTP DANE with DNSSEC to further secure inbound mail flow into Exchange Online. This is free for any Exchange Online Read more
DMARC is a free email authentication protection control that is used alongside SPF and DKIM. When used correctly it provides an effective security policy to help prevent malicious actors from impersonating your email addresses outside Read more
Microsoft have made various announcements about removing the last Exchange Server from your Exchange Organisation if you have migrated all mailboxes (and mail functions) to Office 365. https://learn.microsoft.com/en-gb/Exchange/manage-hybrid-exchange-recipients-with-management-tools This is in the context that you Read more
We are often asked to migrate customers off GoDaddy hosted email to a new Microsoft Office 365 (O365) Tenant. GoDaddy is widely used by customers for hosted email, as that is where they have their Read more
Microsoft released Exchange 2019 CU13 in May 2023. Anyone using Exchange 2019 is recommended to deploy this latest cumulative update. This is also known as the Exchange 2023 H1 update. The major feature for this Read more