New DPM Server - Moving from 2012 to 2025 (yes, that big a jump)

Question

New DPM Server - Moving from 2012 to 2025 (yes, that big a jump)

T Lister 0

I have recently setup a new DPM server using Server 2025, Management Studio 21 and DPM 2025. Out old server is still running 2012 everything.

As far as the local backups are concerned, I'm not bothered about transferring this data, quite happy to just decommission it, or at least once all our none azure backups have completed their full local cycle in case I need old data, which wouldn't be more than two or three weeks. However I want the Azure to resume from the new server, not start a fresh. I have connected my Azure vault to the new server but it displays 0mb used, where as I had hoped it might identify the data used in the Vault already. Before I install the agent onto one of our servers, thus cutting it off from the old DPM, I want to know if this will result in a fresh Azure file rather than updating the current one, if that makes sense?

If this is not possible, is this because I should have done a full backup and restore across matching versions of SQL and DPM, and then rolled everything up to the latest?

Many thanks for any and all input.

Vinod Pittala 6,130 Reputation points Microsoft External Staff Moderator

2025-07-11T05:09:41.2366667+00:00

Hello T Lister,

Just checking in—did the above solution work for you? If you need any further assistance, feel free to let us know. We're always here to help!

If the response was helpful, please consider clicking upvote. This not only shows appreciation but also helps others in the community find useful solutions more easily.

Thanks
Vinod Pittala 6,130 Reputation points Microsoft External Staff Moderator

2025-07-14T07:39:02.7966667+00:00

Hello T Lister,

Just want to check if the above answer worked for you or else please let us know if any help needed, we are always here to help whenever you need us.

Please do not forget to “upvote it” wherever the information provided helps you, this can be beneficial to other community members.it would be greatly appreciated and helpful to others. Thanks
T Lister 0 Reputation points

2025-08-04T11:32:33.73+00:00

Hi Vinod,

Apologies, just seen he reply. Basically because I was too keen and built the new server without doing upgrades of the old to get the database migrated, I'd have to go back to square one.

We've decided to just start a fresh and archive the old backups.
Vinod Pittala 6,130 Reputation points Microsoft External Staff Moderator

2025-08-04T11:43:05.5966667+00:00

Thank you for your decision and feedback T Lister.

Initially, I proposed a solution that would allow the new DPM server to resume Azure backups without requiring a fresh setup. However, you opted to proceed with a fresh configuration, which indeed may be a more straightforward and feasible approach.

Additionally, if my earlier response helped address your query, I’d appreciate it if you could Accept the answer and Upvote it. This helps other community members who might face similar issues to find a reliable solution.

Thanks again

1 answer

Your answer

Vinod Pittala 6,130 Reputation points Microsoft External Staff Moderator

2025-07-11T05:09:41.2366667+00:00

Hello T Lister,

Just checking in—did the above solution work for you? If you need any further assistance, feel free to let us know. We're always here to help!

If the response was helpful, please consider clicking upvote. This not only shows appreciation but also helps others in the community find useful solutions more easily.

Thanks
Vinod Pittala 6,130 Reputation points Microsoft External Staff Moderator

2025-07-14T07:39:02.7966667+00:00

Hello T Lister,

Just want to check if the above answer worked for you or else please let us know if any help needed, we are always here to help whenever you need us.

Please do not forget to “upvote it” wherever the information provided helps you, this can be beneficial to other community members.it would be greatly appreciated and helpful to others. Thanks
T Lister 0 Reputation points

2025-08-04T11:32:33.73+00:00

Hi Vinod,

Apologies, just seen he reply. Basically because I was too keen and built the new server without doing upgrades of the old to get the database migrated, I'd have to go back to square one.

We've decided to just start a fresh and archive the old backups.
Vinod Pittala 6,130 Reputation points Microsoft External Staff Moderator

2025-08-04T11:43:05.5966667+00:00

Thank you for your decision and feedback T Lister.

Initially, I proposed a solution that would allow the new DPM server to resume Azure backups without requiring a fresh setup. However, you opted to proceed with a fresh configuration, which indeed may be a more straightforward and feasible approach.

Additionally, if my earlier response helped address your query, I’d appreciate it if you could Accept the answer and Upvote it. This helps other community members who might face similar issues to find a reliable solution.

Thanks again

Answer 1

Hello T Lister,

To ensure that your new DPM server can resume Azure backups without starting fresh, you should ideally perform a full backup and restore of the DPM database across matching versions of SQL and DPM. This process allows the new server to recognize existing data in the Azure vault. If you skip this step and install the agent on a server connected to the new DPM, it will likely create a new backup instance in Azure, rather than updating the current one.

Since you are moving from DPM 2012 to DPM 2025, it's important to follow the upgrade and migration procedures carefully to maintain continuity with Azure backups.

References:

If the commet helpful, please click Upvote it.

Thanks

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New DPM Server - Moving from 2012 to 2025 (yes, that big a jump)

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