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...

Restore Lync 2013 Persistent Chat demo

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I have created a video, showing how you may restore Persistent Chat data with a backup created with the Lync 2013 backup script v3.5

The video is about 3 minutes long, and shows a restore of my lab in real time. It has no sound, but the CC will explain what's going on.




The important giveaways from this movie should be:
  • Permissions required to run Lync commands
    • (A quick recap for those who have not seen the previous posts)
  • Remember to stop service first. 
As always, you can find the script right here.