topic Re: Downgrade Netweaver in DevOps and System Administration Forum

Downgrade Netweaver

philip0929 — Sat, 25 Feb 2023 18:37:34 GMT

Hi guys,

We have ABAP products Netweaver 7.50 and LT replication 2.0 (source system). We want to perform homegenous system copy to downgrade a system which currently is Netweaver 7.52 and LT replication 3.0 (target system).

Basically, we want to mirror our N+1 system (latest components version) from BAU system (old components).

Is this possible via homogenous system copy?

Re: Downgrade Netweaver

S_Sriram — Sun, 26 Feb 2023 03:00:08 GMT

Hi Philip

To my understanding SAP system copy (Homogenous system copy) means, that the version in the source system will be the same as the target system, you can't downgrade, and also will to the mirror options are the same,

Regards

Re: Downgrade Netweaver

philip0929 — Sun, 26 Feb 2023 03:45:02 GMT

Source is in much lower version than target. So it is considered downgrade.

Re: Downgrade Netweaver

S_Sriram — Sun, 26 Feb 2023 07:50:59 GMT

Hi Philip

In this case, you can follow the steps to get the target system one version higher.

1. Do the Homogenous system copy from the source to the target system.

2. In the target system you can perform the SAP software upgrade process.

Regards

Re: Downgrade Netweaver

mamartins — Mon, 27 Feb 2023 12:20:43 GMT

A homogenous system copy means that you will keep the same DB engine and OS/CPU technology between the source and the target.

Any copy methdology used (homogeneous or not) will always overwrite the target system.

Re: Downgrade Netweaver

philip0929 — Mon, 27 Feb 2023 14:37:54 GMT

we do not want to upgrade the target nor the source. We just want to downgrade the target system to align the version with our source system

Re: Downgrade Netweaver

S_Sriram — Wed, 01 Mar 2023 07:03:58 GMT

Hi Philip

I think it is not possible, the way you are asking.

Regards

Re: Downgrade Netweaver

Isaias_SAP — Sat, 04 Mar 2023 22:20:16 GMT

Hello Philip,

Uninstall the existing target system first (which has the newer version).

Then, do the system copy using the "empty" target server.

I do not see why this would not work.

Regards,

Isaías

PS: the above is about the system copy procedure itself. You should verify whether the systems connected to your current target system will work on the older product versions.