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After a break, I am returning to my monthly SAP Security Notes summaries. Below you will find an overview of SAP Security Notes released or updated in September 2026, with SAP’s recommendations on security patches and actions to help protect your systems.
Read MoreRecently, I encountered recurring errors in an SAP HANA System Replication environment. The messages appeared in both the tenant’s indexserver_alert and the SYSTEMDB’s nameserver_alert logs.
In this case, the solution was to add the virtual IP address (VIP) and its hostname to /etc/hosts on both cluster nodes.
Read MoreRecently, we had to troubleshoot two different Multi-Factor Authentication (MFA) issues affecting users logging in to SAP Cloud Identity Services (IAS). Although both problems were related to MFA, they had different root causes and required different solutions.
Read MoreWhen you restart your SAP Process Integration / Process Orchestration system, you may notice that the InboundRA resource adapter does not come up. In the default trace you’ll typically see a deployment error for inboundRA and a runtime exception indicating that the timeout is over and the RA is blocking during startup.
In SAP NetWeaver AS Java environments, two trust center certificates — tc_trust_class_2_ii and tc_trust_class_2_L1_CA_XI — are approaching their expiration date. These certificates are part of the platform’s built-in trust store and are used for validating secure communication scenarios, including SSL/TLS handshakes and signature verification between SAP components or external services.
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