External-access preflight for MSPs
Find guest access that may break before users do.
Prioritize legacy SharePoint sharing, missing Entra guests, Conditional Access gaps, and sponsorless access across managed tenants.
PURPOSE / BOUNDARY
Microsoft 365 managed-service providers and tenant teams preparing external collaborators for identity or sharing-policy changes.
BUYER CHECK / RECOGNIZE THE PROBLEM
Microsoft 365 managed-service providers and tenant teams preparing external collaborators for identity or sharing-policy changes.
Not for automated guest creation, link revocation, Conditional Access deployment, or a complete identity-governance replacement.
FROM MANUAL REVIEW TO OUTPUT
Sharing reports, Entra guest exports, sponsor records, and policy readiness usually live in different views. A spreadsheet join can identify email matches but rarely preserves why a collaborator needs attention. GuestPreflight evaluates the relevant signals together and produces a reasoned queue.
Assemble authentication method, guest presence, link count, policy readiness, sponsor, and recency.
Apply explicit rules to the combined record and retain the signals behind each finding.
Prioritize collaborators for validation, sponsorship, communication, or a staged access test.
INPUT / SAMPLE FIXTURE
Edit the sample if you want. This preview is processed in memory and is not saved.
No writes, payments, messages, or provider changes.
OUTPUT / EVIDENCE
Run the supplied sample to see prioritized, explainable findings here.
USE CASES / HONEST LIMITS
SOURCE-BACKED CONTEXT
Microsoft’s official SharePoint and OneDrive FAQ explains how Entra B2B integration affects external sharing and one-time-passcode behavior. GuestPreflight uses that platform context for discovery, but every tenant’s current settings, licensing, rollout state, and Conditional Access policies must be verified directly.
Official answers about external sharing, guest accounts, and one-time passcodes.
CLEAR ANSWERS / BEFORE CONNECTION
The public sample demonstrates the diagnostic rule system. Provider permissions and customer-specific coverage are verified before a connected pilot.
It is a review performed before a sharing or identity migration to find collaborators whose current access depends on legacy links, missing Entra guest objects, absent sponsors, or controls they may not satisfy.
The sample evaluates authentication method, Entra guest presence, active-link count, Conditional Access readiness, sponsor presence, and recency. A connected audit depends on permissions and fields available in the customer’s Microsoft environment.
No. It produces a read-only intervention queue. It does not revoke sharing, invite users, change Conditional Access, or modify tenant settings.
No. Microsoft configuration, user identity, licensing, policy evaluation, and platform changes can still affect access. The report is a prioritization aid, not a guarantee or a substitute for a staged migration test.
PRACTICAL GUIDES
Review Microsoft 365 guest access with a bounded checklist covering SharePoint sharing evidence, Entra guests, sponsors, and review decisions.
Audit SharePoint guest access with a bounded workflow for site sharing reports, link evidence, Entra guest matching, owners, and human review decisions.
Review SharePoint Online guest access settings across tenant, site, link, and Entra layers without treating one configuration as the complete access picture.
Compare SharePoint sharing report rows with Microsoft Entra guest objects, classify exact and uncertain matches, and avoid tenant-wide access claims.
PAID VALIDATION GATE
We verify API coverage, permissions, data retention, and the exact paid workflow before connecting production accounts. This keeps early customers out of an unsafe beta.
Indicative launch pricing: From $199 per migration audit. Final scope, price, tax, deliverables, and refund terms are agreed before paid work begins.
Request a paid pilot review