This blog contains experience gained over the years of implementing (and de-implementing) large scale IT applications/software.

Tag: legacy

FREE SAP Extended Maintenance

Did you know…

SAP S/4HANA On-Premise customers on legacy versions get free extended maintenance when they move to a RISE with SAP subscription.

That’s correct “legacy SAP S/4HANA“, we’re already at that point where S/4HANA is starting to lose versions.
We are talking specifically about customers on S/4HANA versions 1709, 1809, and 1909.

“Customers having subscribed to RISE with SAP or legacy subscription models, for example, subscription for SAP HANA Enterprise Cloud, take advantage of the option where extended maintenance is included at no additional fee.“

Here are the significant dates for those mentioned On-Premise releases:

ReleaseEnd of Mainstream MaintEnd of Extended Maint
170931.12.202231.12.2025
180931.12.202331.12.2025
190931.12.202431.12.2025
202031.12.2025?
202131.12.2026?
202231.12.2027?
2023?

Wow, 2025 is going to be a busy year for SAP. Have a guess what release those customers will be moving to (assuming they choose S/4HANA Private Cloud Edition) if they have not already started? See my previous post here for my thinking on that one.

Reference link: https://news.sap.com/2022/09/new-sap-s4hana-release-maintenance-strategy/

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Network with OEL 5.7 x86_64 install in Hyper-V

When installing Oracle Enterprise Linux 5.7 x86_64 in a Hyper-V 2012 VM, the Linux networking refuses to work with the Hyper-V “Legacy driver” if you have the UEK (unbreakable enterprise kernel) enabled and more than one vCPU.

First, you should always ensure that you add the Hyper-V “Legacy Network driver” to the VM container at the VM creation time to ensure that it will work when you come to install OEL in the VM.

Then, to get around the problem with the networking and vCPUs, disable the UEK kernel and shutdown, then you can add more than one vCPU to the VM.