Updated November 4, 2026: We have updated the timeline. Thank you for your patience.
[What and Why:]
Microsoft Purview eDiscovery is introducing three read-only diagnostic checks for case access, security filters, and hold-policy distribution. These checks help admins understand and troubleshoot common access, search-scoping, and hold-distribution issues directly in the product.
This message is associated with Microsoft 365 Roadmap ID 565222
[Rollout Schedule:]
Public Preview (Worldwide): We will begin rolling out in early December 2026 (previously late October) and expect to complete by mid-December 2026 (previously mid-November).
General Availability (Worldwide): We will begin rolling out in late December 2026 (previously early December) and expect to complete by early January 2027 (previously mid-December 2026).
General Availability (GCC): We will begin rolling out in late December 2026 (previously early December) and expect to complete by mid-January 2027.
General Availability (GCC High): We will begin rolling out in late December 2026 (previously early December) and expect to complete by early February 2027.
General Availability (DoD): We will begin rolling out in late December 2026 (previously early December) and expect to complete by late February 2027.
[Impact on Your Organization:]
Who is affected:
- eDiscovery admins.
What will happen:
- Admins can use three read-only diagnostics to understand common issues with case access, search scoping, and hold-policy distribution.
- The diagnostics provide guidance without changing your organization's existing configuration.
[Action Required/Recommendations:]
No admin action is required at this time. Review your eDiscovery workflows and internal guidance if your organization uses the related Microsoft Purview capabilities.
- Learn about access and permission settings in eDiscovery cases (role/permission troubleshooting)
- Security-filter diagnostic
- Hold-distribution diagnostic
[Compliance considerations:]
No compliance considerations identified. Review as appropriate for your organization.