How to switch your Microsoft CSP partner without losing data.
You can switch Microsoft CSP partner without losing data or downtime. Here is the exact process.
Your data does not move. Only billing does.
Switching CSP partner does not touch your Microsoft tenant. Your mailboxes, SharePoint sites, Teams channels, OneDrive files, and all Entra ID objects belong to you and never transfer. They stay exactly where they are.
What changes is billing ownership (who invoices you for licences) and delegated admin access (which partner can manage your tenant). Both are administrative changes that happen in Microsoft Partner Center. Your users see nothing.
As long as there is no licence gap between your old and new partner, your users remain licensed throughout. The process below transfers subscriptions mid-term, so there is no gap.
Mailboxes
Unaffected
SharePoint & Teams
Unaffected
Entra ID objects
Unaffected
Four phases to complete your CSP partner switch.
This is the verified process based on Microsoft Learn documentation. Each phase is discrete and reversible until the final step.
Establish the new reseller relationship
Modern 42 sends you a reseller relationship invitation link from Partner Center. Your Global Admin accepts it in the Microsoft 365 admin centre under Settings > Partner relationships. You can hold both the old and new partner relationships simultaneously during transition. No disruption occurs at this stage.
Establish the new reseller relationship
Modern 42 sends you a reseller relationship invitation link from Partner Center. Your Global Admin accepts it in the Microsoft 365 admin centre under Settings > Partner relationships. You can hold both the old and new partner relationships simultaneously during transition. No disruption occurs at this stage.
Set up GDAP
Modern 42 requests Granular Delegated Admin Privileges with the specific Entra ID roles needed to manage your environment, for a defined duration (max 730 days). Your Global Admin approves the GDAP request. This replaces the deprecated legacy DAP model and follows the least-privilege principle Microsoft now requires. GDAP requests expire after 90 days if not actioned.
Set up GDAP
Modern 42 requests Granular Delegated Admin Privileges with the specific Entra ID roles needed to manage your environment, for a defined duration (max 730 days). Your Global Admin approves the GDAP request. This replaces the deprecated legacy DAP model and follows the least-privilege principle Microsoft now requires. GDAP requests expire after 90 days if not actioned.
Transfer NCE subscriptions
Modern 42 initiates the subscription transfer in Partner Center using your current partner's tenant ID. Your current partner accepts and submits the transfer. Subscriptions move mid-term without cancellation, with no new cancellation window granted. Up to 25 licence line items can be transferred per request. Transfer requests expire after 30 days if the source partner does not respond.
Transfer NCE subscriptions
Modern 42 initiates the subscription transfer in Partner Center using your current partner's tenant ID. Your current partner accepts and submits the transfer. Subscriptions move mid-term without cancellation, with no new cancellation window granted. Up to 25 licence line items can be transferred per request. Transfer requests expire after 30 days if the source partner does not respond.
Remove the old reseller relationship
Once all subscriptions are transferred or cancelled, your old partner removes the reseller relationship from their side in Partner Center. The customer cannot remove it themselves. After this step the transition is complete and Modern 42 is your sole CSP partner of record.
Remove the old reseller relationship
Once all subscriptions are transferred or cancelled, your old partner removes the reseller relationship from their side in Partner Center. The customer cannot remove it themselves. After this step the transition is complete and Modern 42 is your sole CSP partner of record.
Common pitfalls and how to avoid them.
Do not cancel subscriptions before transferring
Cancelling an NCE subscription before it is accepted by the new partner creates a licence gap. Your users lose access until new licences are assigned. Always use the transfer process, not cancel-and-rebuy.
Transferred subscriptions do not get a new cancellation window
The 7-day post-purchase cancellation window does not reset on transfer. If you need flexibility on a specific subscription, clarify this before transferring.
Watch renewal timing
If a subscription auto-renews before the transfer completes, it renews under your old partner for another term. Identify upcoming renewal dates and initiate transfers well before those dates.
The source partner can block a transfer
Microsoft will not force a reluctant CSP partner to accept a transfer request. Transfer requests expire after 30 days if the source partner does not respond. If your current partner is uncooperative, escalate to Microsoft directly.
Web-direct tenants cannot use partner-to-partner transfer
If your Microsoft 365 subscriptions were purchased directly from Microsoft (MOSA/web-direct), the NCE partner-to-partner transfer tool does not apply. A different process is needed.
Indirect resellers: the indirect provider is billing owner
For indirect resellers like Modern 42, the indirect provider (distributor) owns the billing relationship and must be involved in sending and approving transfers. Modern 42 manages this process on your behalf.
The signs it is time to move on.
Most Microsoft 365 organisations switch CSP partner for one of these reasons.
Reactive-only support
Your partner responds to break-fix tickets but never proactively flags licensing changes, security gaps, or upcoming price changes. You find out about issues after they affect users.
Overpaying through licence sprawl
Licences accumulate as staff change roles or leave. Wrong plans, duplicate assignments, and unused features add cost every month. A specialist CSP partner identifies and fixes this.
No identity or security capability
Microsoft 365 is increasingly a security platform, not just email and documents. Conditional Access, Entra ID, and Defender for Business require specialist knowledge most generalist resellers lack.
Opaque pricing
You are paying invoice prices without a clear view of your cost per seat, what plan tier you are on, or whether cheaper alternatives exist. Pricing should be transparent and explainable.
Incumbent losing CSP authorisation
Some resellers let their Microsoft partner status lapse. If your CSP partner loses authorisation, your subscriptions are at risk. Moving proactively is better than waiting for a forced migration.
No guidance on plan changes
Microsoft pricing and plan structures change regularly. The 1 July 2026 price changes to Business plans are a current example. Your partner should be briefing you, not leaving you to find out yourself.
A CSP built on identity and security expertise.
Modern 42 is a Microsoft 365 Cloud Solution Provider for Australian organisations that want more than a reseller.
Identity and security specialist
Modern 42 is a Microsoft Solutions Partner for Security with an Identity and Access Management specialisation. We are not a generalist IT reseller. Identity and security is all we do. ECIF-approved. BeyondTrust Partner of the Year 2024-25.
100% Australian-owned
Headquartered in Canberra with AGSVA-cleared engineers, Modern 42 is wholly Australian-owned. We have delivered 100+ IAM and PAM projects for Australian government and enterprise, including two of the top 10 ASX-listed organisations.
Australian distribution
Modern 42 is an indirect reseller operating through a leading Australian-owned technology distributor that serves as the Microsoft billing owner in the CSP chain, providing local billing infrastructure behind your subscriptions.
- Microsoft Solutions Partner for Security
- Identity and Access Management Specialisation
- ECIF-approved partner
- BeyondTrust Partner of the Year 2024-25
- AGSVA-cleared engineers
- Australian-owned distribution
- 100+ IAM and PAM projects delivered
- 25+ identity specialists
Switching Microsoft CSP partner
Common questions about switching your Microsoft 365 CSP partner in Australia.
Let’s talk about your Microsoft 365 licensing
No pressure, no lock-in. A straight conversation about your licences, the 1 July 2026 price changes, and whether you are paying for security you are not using.
- Review your current Microsoft 365 plans and renewal dates
- Check the 1 July 2026 price changes against your mix
- Get a clear CSP quote, with no obligation
Free licence review
No commitment required
Tell us your plan mix and seat count. We confirm exact CSP pricing on quote, and show you where you could get more from what you already pay for.