SAP BASIS Administrator | SAP HANA | SAP Security
SAP BASIS professional focused on SAP S/4HANA, SAP HANA administration, security, enterprise systems, and continuous technical learning.
Transactions I use daily
SAP GUITransport Management System — routes, queues and imports
S/4HANA and HANA systems, from installation and kernel updates to transports and daily monitoring.
See my experienceFailed backups, replication issues, missing authorizations, broken OData services — traced to the root cause.
See technical skillsEvery issue I troubleshoot and every concept I study becomes notes worth sharing.
Read the blogSAP BASIS Administrator
TallyMarks Consulting (TMC) Dec 2025 – Present
HEC HEDP project — SAP S/4HANA On-Premise on SAP HANA 2.0 and SUSE Linux (DEV/QAS/PRD), serving 80,000+ students and 1,000+ faculty. Official designation: MTO.
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areas of responsibility
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tools and skills
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certifications
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technical articles
Guides, troubleshooting notes and lessons from real work.
The SAP HANA error "no root key matching hash" appears when you recover a backup into a database that doesn't have the encryption root key the backup was made with. The…
SAP HANA keeps data in memory, but it is not volatile in the way that sounds. Every change is written to the log volume, and savepoints regularly persist data pages to…