Microsoft retires ACS Let me quote Microsoft just to start (Dec 18, 2023): So, for new development it is strictly recommended to use Azure Registered Apps to access Microsoft 365 resources programmatically. You still need ACS in some cases But, as always, it all is not so simple, as Hopefully, Microsoft will resolve all the […]
Scenario You administer Microsoft 365 SharePoint Online. Part of your daily activities is providing Microsoft Graph and SharePoint Sites.Selected API permissions to other users (developers). In Aug/Sep 2023 Microsoft pushed an update that prevents site collection admins to create or update an Azure Access Control (ACS) principal (that was the way most of developers used […]
Scenario You are trying to register an application at SharePoint site with appregnew.aspx page and you are getting an error or notification message “Your SharePoint tenant admin doesn’t allow site collection admins to create an Azure Access Control (ACS) principal“. Or you are trying to provide ACS-based permissions for an application to SharePoint site with […]
There are well-known SharePoint app-only service principals and ACS-based permissions. It is kind of old-school way – introduced as part of Add-Ins for SharePoint 2013 – to get unattended access to SharePoint site (application access, i.e. access without user presence). Such apps are called daemon apps or service apps or background jobs etc… Microsoft announced […]
Sites.Selected MS Graph API permissions were introduced by Microsoft in March 2021. It was a good move towards site-level access for non-interactive (daemon) applications, but still developers were limited with only what MS Graph API provides for SharePoint. SharePoint CSOM and REST API still provides much more than MS Graph API. So developers had to […]
PowerShell Script to get All Alerts of all Users from a specific SharePoint Online Site Collection, including subsites: https://github.com/VladilenK/PowerShell/blob/main/reports/Site/Fetch-All-Alerts-from-SPO-Site.ps1 https://raw.githubusercontent.com/VladilenK/PowerShell/main/reports/Site/Fetch-All-Alerts-from-SPO-Site.ps1 based on Salaudeen Rajack:“SharePoint Online: Get All Alerts from a Site Collection using PowerShell“