B2B collaboration cleanup: stale guests

Published Feb 14, 2024 • Updated May 1, 2026

Overview

Guest sprawl increases accidental oversharing. Clean quarterly or automate with access reviews.

Process

  1. Export guests with last sign-in and inviting sponsor.
  2. Email sponsor: confirm keep/remove in 10 business days.
  3. Remove orphans; revoke refresh tokens if high-risk.

Automation

Entra Access Reviews to guest users in Teams/Groups with manager approval.

Audit trail

Ticket or log IDs for removals with business reason.

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