Category: Tenant to Tenant migrations

Manage and restore deleted and inactive mailboxes in Exchange Online

16th March, 2026

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 […]

Manually Copy, Move or Export OneNote

13th January, 2026

In some circumstance during a tenant-to-tenant migrations, we have occasionally seen OneNote that don’t migrate correctly. This could be for a multitude of reasons, perhaps they were legacy OneNote stored outside of OneDrive or they had not sync’d from the user’s device. Here I will explain how you can copy the content manually if the […]

Your computer’s Trusted Platform Module has malfunctioned – error code 800900B

11th February, 2025

Something went wrong… don’t we all love to see that message! Your computer’s Trusted Platform Module has malfunctioned. If this error persists, contact your system administrator with the error code 800900B Something went wrong [7q6ch] If you see this error when trying to sign in to Microsoft 365 applications such as Teams, OneDrive for Business, […]

There was a problem connecting to OneDrive Error Code: 0x8004e4d0

9th May, 2024

There was a problem connecting to OneDrive Error Code: 0x8004e4d0
Where we see it happen is often where the UPN of the user has changed from when the Personal Site was created and for whatever reason something in the Microsoft back-end service has not processed the change correctly.  On the face of it, nothing seems wrong.  The OneDrive site owner is correct and the URL for the Personal OneDrive site is correct, and yet, the end-user cannot start the Desktop OneDrive application. Even going to the browser to connect to OneDrive also fails with an access denied error.

Google to Microsoft 365 Migrations – Part 2

26th March, 2024

Addressing common issues with Google to Microsoft 365 migrations The migration discovery phase Like all migration projects, Google to Microsoft 365 migrations begin with a comprehensive discovery process – and we employ various methods to examine the Google Workspace when compiling our discovery analysis report. This report includes a comprehensive list of all domains associated […]

Google to Microsoft 365 Migrations – Part 1

14th March, 2024

Addressing common issues with Google to Microsoft 365 migrations With experience migrating close to a million seats, Nero Blanco specialise in Microsoft tenant-to-tenant migrations – so much so that our team have been described as “world leaders in Microsoft migrations”. We pride ourselves on our expertise in this area. Our projects have ranged from small […]

Microsoft Teams for Education Migrations

22nd February, 2024

At Nero Blanco, we specialise in conducting Microsoft 365 tenant-to-tenant migrations. With experience migrating close to a million seats, our projects have ranged from small 50 user projects to larger ones with up to 70,000 users. Our clients range from small and medium business through to enterprise level organisations of over 300,000 employees – covering […]

Working with the on-premises AD Recycle Bin

20th February, 2024

Generally in day to day identity management you would not often need to resort to the Active Directory Recycle Bin, but when you do, typically it is a high priority request and you find yourself having to reacquaint yourself with the commands you need. Accidental deletion scenarios Where we have seen the need to restore […]

Get List of Videos from Microsoft Stream

2nd February, 2022

Getting a list of videos from Stream, so that you can look to migrate them or just to see what is there is hard. There is not much information on the Web about how to go about doing this, especially on large tenants. My colleague Conrad has been working with the script from Powershell Script […]

Microsoft Gold eight times over!!!

19th February, 2021

We are always striving to be the best, whether that is to our Clients, our Partners or our Vendors and Distributors. We have been a Microsoft Gold Partner (Productivity, Platform, EMS, Datacenter and Application Development) for several years now, which with a smaller team is no mean feat! We are please to announce that we […]