Migrating SCCM CMG from Cloud Service Classic to VMSS on another Azure subscription

SenhorDolas 1,171 Reputation points
2024-04-26T15:24:28.4966667+00:00

I want to migrate my Cloud Management Gateway from Cloud Service Classic to Virtual Machine Scale Sets (VMSS) on another Azure subscription. However, I cannot find a suitable solution online.

Can someone provide the best way to do this? Do I need to delete my current CMG and set up a new one as VMSS?

Thank you.

  • @Jason Sandys I know you are the expert here, please can you assist :) ?
Microsoft Configuration Manager
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  1. Jason Sandys 31,161 Reputation points Microsoft Employee
    2024-04-26T18:36:44.63+00:00

    There is no direct migration path for this. You simply implement a new VMSS-based CMG that sits side by side with the old/existing CMG. Clients will learn about the new CMG as they connect to the site (on-prem or via the CMG) and will begin to randomly pick between the two. Once you are comfortable that all clients have connected and thus learned about the new CMG, you can decommission the old CMG. Clients will then only be able to use the CMG (if they attempt to connect to the old one, this will fail and they will then use the new one) and will learn that the old CMG no longer exists and will stop attempting to connect to it.

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