Following on from this post:Office 365 Migrations - What happens to Outlook Meetings with embedded Teams URLs? - Nero BlancoWe developed a tool to strip out Teams info from Calendar invites, so that new Teams info co...
Following on from this post:Office 365 Migrations - What happens to Outlook Meetings with embedded Teams URLs? - Nero BlancoWe developed a tool to strip out Teams info from Calendar invites, so that new Teams info co...
Teams Cache CleanerTry this one last time...Start PowerShell as Admin and run:Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope Processtaskkill /IM teams.exe /F /TGet-ChildItem -Path ([System.Environment]:...
Where does the default Teams email go?When you first create a Microsoft Team it allocates an email address for the Team. That email address is built by the Display Name (with spaces and special characters remove...
This is a hill I will die on. MFA for everyone, from everywhere, all the time. No excuses, no if, buts and whys. MFA is your number one frontline defence against malicious actors. Yes, there are other many compensating controls that can be in place such as Firewalls, VPNs, networking controls, Conditional Access policies, Device […]
A practical engineering guide to owners, assignment, consent, credentials and risk The one-line lesson: do not confuse ownership, assignment, consent and credentials. They control different risks. Contents Why this topic trips people up Microsoft Entra application governance looks simple until you start reviewing real tenants. Then the terminology gets slippery. App Registrations, Enterprise Applications, service […]
Domain migrations in Microsoft 365 are rarely as simple as shifting email addresses from one namespace to another. The doDomain migrations in Microsoft 365 are rarely as simple as moving email addresses from one namespace to another. Before a domain can be reassigned to a target tenant, that domain must be fully removed from every object […]
Over the past 10 to 15 years, Microsoft 365 has fundamentally reshaped how organisations store, manage, and retain data. What began as modest mailbox quotas and limited personal storage has evolved into enterprise‑scale cloud repositories frequently holding hundreds of gigabytes per user. This unprecedented expansion has materially increased the complexity of tenant‑to‑tenant and cross‑platform migrations, […]
Large tenant‑to‑tenant (T2T) migrations are complex, multi‑workload programmes that touch every layer of Microsoft 365. Over time, recurring patterns and lessons emerge, especially when dealing with thousands of users, legacy configurations, holds, storage constraints, and identity dependencies. Below are some of the most valuable lessons we’ve learned from delivering large‑scale M365 migrations. Lesson 1: Active […]
Yesterday we had an all company meeting and I thought it would be cool to kick it off with a quiz to keep everyone engaged. I had been thinking about my parents and reflected on the technology changes that they have witnessed in their lifetime. They were both born in the late 1940’s, so allow […]
In tenant-to-tenant (T2T) and Google-to-Microsoft 365 migration projects, maintaining accurate identity relationships is essential for ensuring data integrity, continuity, and security. Migration tools such as AvePoint rely heavily on mapping files (sometimes called translation tables) to link source objects to their target equivalents. Without accurate mappings, permissions break, content fails to align, and migrated users may lose access to their own data. What is a mapping […]
You’d think this would be easy and not an uncommon request. There are genuine use cases for restoring an Exchange Online Archive mailbox to the primary mailbox. For example: With the right SKU, Microsoft gives you a 100 GB primary mailbox. Plenty of space for most users. But even so, you might only use 15 […]
Migrating from Google Workspace to Microsoft 365 requires careful planning and execution.
When a user leaves an organisation in Microsoft 365, administrators have several options for how to handle the user’s mailbox. The approach chosen determines how long the mailbox data is retained and how it can be recovered in the future. Option 1: Convert the mailbox to a Shared Mailbox A common approach is to convert […]
Most organisations only migrate to Microsoft 365 once or twice in their lifetime. For us at Nero Blanco IT, it’s something we do every week. For over 15 years we’ve helped organisations of every size move to Microsoft 365 safely, securely and with minimal disruption. Nero Blanco migration experience15+ years delivering Microsoft migration projectsHundreds of […]
In the modern digital workplace, organisations face a critical decision: do they choose Google Workspace or Microsoft 365? Both platforms offer cloud-based productivity tools, collaboration features, and storage, but there are many differences in their architecture, security models, and integration capabilities. For businesses migrating from Google Workspace to Microsoft 365, understanding these fundamental differences, as […]