External Sharing in SharePoint and OneDrive is changing: What You Need to Know

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In an ongoing effort to create a more secure environment by default, Microsoft is introducing an important security update that will affect how external users access content shared through SharePoint and OneDrive. Starting July 1, 2025, any links shared with external users before your organization enabled Microsoft Entra B2B integration will no longer work. This change applies to all organizations that have already enabled or will enable SharePoint and OneDrive integration with Microsoft Entra B2B (Most organizations I have looked into so far). External users trying to use old links will see an error message saying the organization has updated its guest access settings. To regain access, the content must be reshared. Highlights of how the change affects organizations who have enabled B2B: All external sharing will require guest registration. External users must be added as guests in your Microsoft Entra directory. Access will be managed through Microsoft Entra B2B Invitation Manager. T...

Speaking at Microsoft Ignite in Chicago

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I am excited to announce I am going to Chicago and attend Ignite 2015 as a speaker. My proposal for a session on Backup and restore Skype for Business has been accepted. This is my third international event, and first one this year.

The session will be about what to consider when planning for a disaster recovery scenario, and how to do it.

Apparently, the TechedEU 2014 session was slightly more advanced than the advertised level 300, and this session has been marked as a lvl 400.

Be prepared for a lot of PowerShell commands during the presentation.

Title: Managing Backup and Restore in Skype for Business
Track: Skype for Business
Level: 400
Session: BRK4122
Link: Session details
Time: Tuesday, May 5: 10:45 AM - 12:00 PM
Room: TBA

Abstract:As unified communication becomes an important part of the infrastructure, it is equally important to have a good understanding on how to quickly restore its availability in the event of an outage. Even a well-designed High Availability solution may encounter loss of data, misconfiguration, or server failure. This session addresses which components the administrator will need to pay attention to when designing his disaster recovery plan in Skype for Business.