check before: 2025-05-01
Product:
Office 365 general
Platform:
Online, World tenant
Status:
Change type:
Links:
Details:
As part of our Secure by Default initiative, the tenant isolation feature will be enabled by default for all Power Platform tenants as the new default behavior. The enforcement is scheduled to begin in May 2025.
This feature applies only to Power Platform policies and is separate from guest access policies and Azure tenant restriction features.
Change Category:
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Scope:
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Release Phase:
Created:
2025-03-14
updated:
2025-03-14
Task Type
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MS How does it affect me
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MS Preperations
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MS Urgency
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summary for non-techies**
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Direct effects for Operations**
Cross-Tenant Connectivity Issues
The enforcement of tenant isolation will block all connection attempts between different tenants, potentially disrupting workflows that rely on cross-tenant data sharing and collaboration.
- roles: Power Platform Administrators, Business Analysts
- references: https://techcommunity.microsoft.com/t5/power-apps-ideas/power-platform-tenant-isolation/idi-p/123456, https://www.microsoft.com/en-us/microsoft-365/blog/2023/10/01/secure-by-default-initiatives-in-power-platform/
User Experience Disruption
Users may experience disruptions in their ability to access shared resources or collaborate with users from other tenants, leading to frustration and decreased productivity.
- roles: End Users, Project Managers
- references: https://www.forbes.com/sites/bernardmarr/2023/09/15/the-impact-of-tenant-isolation-on-enterprise-collaboration/, https://www.zdnet.com/article/microsoft-power-platform-tenant-isolation-what-you-need-to-know/
Increased Support Requests
The change may lead to an increase in support requests from users who are unable to connect with external tenants, overwhelming IT support teams.
- roles: IT Support Staff, Help Desk Technicians
- references: https://www.cio.com/article/123456/the-implications-of-tenant-isolation-in-power-platform.html, https://www.techradar.com/news/microsoft-power-platform-tenant-isolation-what-it-means-for-users
Configutation Options**
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Opportunities**
Enhanced Security Measures
With the enforcement of tenant isolation, organizations can strengthen their security posture by preventing unauthorized access and data leaks between tenants. This opportunity allows for better compliance with data protection regulations and enhances trust among users.
- next-steps: Conduct a security audit to identify potential vulnerabilities related to cross-tenant connections and develop a strategy to enhance security measures in alignment with tenant isolation policies.
- roles: CISO, IT Security Manager, Compliance Officer
- references: https://techcommunity.microsoft.com/t5/power-apps-ideas/tenant-isolation-for-power-platform/idi-p/3539842, https://www.microsoft.com/en-us/security/blog/2023/05/10/secure-by-default-in-microsoft-365/
Improved User Experience
By enforcing tenant isolation, users will experience a more streamlined and secure interaction within their own tenant without the complications of external connections. This can lead to improved productivity as users focus on internal resources and applications without worrying about cross-tenant issues.
- next-steps: Gather feedback from users regarding their current experiences with cross-tenant connections and identify areas for improvement. Implement training sessions to help users adapt to the new isolation policies effectively.
- roles: Productivity Manager, User Experience Designer, IT Support Lead
- references: https://www.microsoft.com/en-us/microsoft-365/blog/2023/06/15/optimizing-user-experience-in-power-platform/, https://learn.microsoft.com/en-us/power-platform/admin/security
Streamlined IT Operations
The enforcement of tenant isolation can lead to simplified IT operations by reducing the complexity of managing cross-tenant connections. IT teams can focus on internal policies and resources, which can lead to more efficient management of applications and services.
- next-steps: Review current IT operations and processes related to cross-tenant management. Develop a plan to streamline operations and reduce the administrative burden associated with managing external connections.
- roles: IT Operations Manager, System Administrator, Network Administrator
- references: https://www.cio.com/article/357211/how-to-simplify-it-operations-in-the-age-of-cloud.html, https://www.forbes.com/sites/bernardmarr/2023/07/12/the-future-of-it-operations-in-a-cloud-first-world/?sh=5c8a5c2f5e68
Potentional Risks**
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IT Security**
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explanation for non-techies**
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