About karl-heinz_hochmuth

karl-heinz_hochmuth

The blog show you both file shares used by SAP NetWeaver and SAP S/4 HANA based systems in a Windows landscape. Depending on the landscape, the use of the file shares in conjunction with a specific hostname, will be different.SAPLOC is a file share a...

karl-heinz_hochmuth

SAP developed two installation methods for SAP NetWeaver or SAP S/4 HANA based systems in a Windows Failover Cluster. The older using shared disks exists since 1998.SDCShared-Disk-Cluster which contains shared disks for Quorum, SAP ASCS instance(s) ...

karl-heinz_hochmuth

This blog explains how to rename a cluster network name resource in a Windows Failover cluster running SAP NetWeaver or S/4 based applications. The rename of a “virtual” hostname used by SAP applications (that’s SAPLOCALHOST and SAPGLOBALHOST hostnam...

karl-heinz_hochmuth

In this blog I show you how to create a complete cluster group of an ASCS instance with PowerShell commands.This can be necessary in these situations:- someone deleted the cluster group in Windows Failover Cluster Manager tool- you create a new clust...

karl-heinz_hochmuth

This blog explains how to test a Windows Failover cluster environment. We will have a close look at the central services of an SAP system and if the cluster are correctly handle a failover. Failover tests are mandatory before a high availability (HA)...

karl-heinz_hochmuth

Hello Gabi,thanks for your question! In the past years we discovered a lot of new sophisticated "security devices". They do much, much more than only "firewalling" today. They analyze network packages, they try to recognize attack patterns, EDR funct...

karl-heinz_hochmuth

Hello David, yes, see SAP note 3072048 - "How to change a File-Share-Cluster to a Shared-Disk-Cluster?" Best regards, Kalle

karl-heinz_hochmuth

Hello Devendra, you should open a ticket at SAP with the following information: used MS SQL Server version? clustered DB instance or AlwaysOn Setup? Windows Server version? The MS SQL people should give you an answer regarding your specific ...

karl-heinz_hochmuth

Hello Jorge,SAP will release a note soon which explains the support statement for Windows Server 2012 and Windows Server 2012 R2. It will be similar to the already existing note 2749767 "Support of SAP Products on Windows Server 2008 (R2) after Janua...

karl-heinz_hochmuth

Hello Sean,I cannot directly answer your question regarding SAP Crystal Server product. We have plenty of in-place upgrade experience in our team with SAP NetWeaver based applications and this works great! If your Windows Server 2012 R2 is already vi...

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SAPLOC and SAPMNT share in SAP landscapes on Windows

An overview how to migrate clustered SAP instances

How to rename a hostname (network name) in a SAP cluster group?

How to create a SAP cluster group from scratch with PowerShell?

How to test a Windows Failover cluster?

Re: Where should I place a firewall in my SAP landscape?

Re: Migration from a shared disk cluster to a file share cluster

Re: How to move a clustered SAP system into another domain?

Re:  Microsoft will end support for Windows Server 2012 R2 on October 10, 2023

Re: Inplace server upgrade from Windows Server 2012 R2 to Server 2019 or greater