ERP Basis Consulting
Consultant Profile
Name: Lars-Erik Hallsten
Born: 06.07.1972
Main Experience: SAP Basis, which includes most technical solutions in the world of SAP. Very
experienced in installations, upgrades, migrations, tuning and daily operations.
Experienced with most SAP application types, databases and operating systems.
2008 - ongoing Gyldendal (Oslo, Norway)
Migration of existing SAP environment (R/3 4.72, XI 3.0, BW 3.5, CRM 4.0,
Enterprise Portal 6.0, Solution Manager 4.0) from Unix to Windows. Upgrade
of XI 3.0 to PI 7.00 and Portal 6.0 to Portal 7.00.
2008 - ongoing ARK (Oslo, Norway)
Migration of existing SAP environment (ERP2004, XI 3.0, BW 3.5, CRM 4.0,
Enterprise Portal, Solution Manager 4.0) from Unix to Windows. Upgrade of
XI 3.0 to PI 7.00 and Portal 6.0 to Portal 7.00.
2007 - 2008 Solar Elektroengros (Oslo, Norway and Holding, Denmark)
Implementation of SAP DEV-, QA- og PROD environment with ERP 2005, BI
7.00, XI 7.0 and Solution Manager 4.0. Platform is Windows/SQL Server
(VMware). GoLive 1. October 2007.
2007 - 2008 Bokklubbene (Oslo, Norway)
Migration of existing SAP environment (ERP2005, XI 7.0, BI 7.00, CRM 5.0,
Enterprise Portal, Solution Manager 4.0) from Unix to Windows, daily
operations and training of internal basis resources. Go Live 1. April 2008
2007 - 2008 Ekornes (Sykkylven, Norway)
Upgrade of SAP R/3 4.72 to ERP 2005 and Solution Manager from 3.2 to
4.0. Implementation of High Availabilty solutions with cluster. Platform is
HPUX/Oracle.
2005 ARK (Oslo, Norway)
Various troubleshooting and verifying to check if the XI installations are
performed correctly.
2005 - 2006 Gyldendal (Oslo, Norway)
Implementation of SAP production environment with SAP R/3 4.72, BW 3.5,
CRM 4.0, XI 3.0, Portal 6.0, Solution Manager 3.1 og ITS 6.20. Platform is
Solaris/Oracle.
Migration of existing development and test environment with the same
applications as PROD from Windows/MSSQL til Solaris/Oracle.
2005 - 2006 Forlagsentralen (Oslo, Norway)
Implementation of SAP environment with Solution Manager, R/3, BW, XI
and Portal. Daily operations and troubleshooting in the project. Platform is
Solaris and Oracle
2004 - 2006 Bladcentralen (Oslo, Norway)
Implementation of SAP environment with R/3, XI and ITS. Performance
tuning and training of the inhouse operations team. Migrating all systems to
new and more powerful hardware during the project. Platform is Windows
and Oracle.
2004 Hydro Aluminium (Holmestrand , Norway)
Migration of existing SAP environment to new hardware and upgrade of
Windows from NT4 to Win2000 on Oracle.
2004 Politiken (Copenhagen, Denmark)
Installation of SAP R/3 4.72 production system, using a database copy from
the QAS system. Configuring the SAP system in a MSCS Cluster solution.
Platform is Windows 2003 Server and Oracle 9.2)
2004 - 2005 Ementor DK (Copenhagen, Denmark)
Implementation and upgrade of SAP (R/3, XI, BW, CRM, SolMan, ITS) incl.
tuning, sizing and operations. Platform is Windows (32-bit and 64-bit),
VMware, MSSQL Server 2000, SAPDB 7.4)
2003 - 2006 SSØ – Senter for Statlig Økonomistyring (Norway)
Implementing SAP R/3 4.6C, Enterprise Portal 6.0 and Solution Manager
3.1. Upgrade of R/3 4.6C to Ent. 4.7x2.00, Oracle 9.2.0.4 and ITS to 620.
Platform is Oracle and Win2000Server.
2003 - 2007 Hoffgruppen (Oslo, Norway)
Implementation of DEV, QAS and PRD systems on SAP R/3 Ent. 4.7x1.10,
SAPDB 7.3 and Win2000Server.
Upgrade of SAPDB to 7.4 and SAP R/3 Ent. 4.7x2.00.
Upgrade of SAPDB 7.4 to MaxDB 7.5
2004 Helse-Sør (Oslo, Norway)
Member of the sizing and solution architect team. Preparing a large
implementing project. Unfortunately, the project was shutdown due to
political issues.
2004 - 2007 University in Oslo (Oslo, Norway)
Responsible for installing and configuring SAP applications (R/3 4.7, Portal
6.0, ITS 6.20), incl. tuning and performance analysis.
Migration of all R/3 systemer from 32-bit to 64-bit, incl. moving all systems
to new hardware. Platform: Windows2003 64-bit and Oracle)
2003 SydKraft (Malmø, Sweden)
Daily operations, implementation of SAP Notes, analyzing Early Watch
Reports, tuning of performance. Platform is HP-UX and Oracle.
2003 Sentraldistribusjon (Oslo, Norway)
Installation of SAP R/3 4.6C on Linux RedHat 7.1 and SAPDB 7.3,
implementation of Instant SAP solution.
Upgrade of R/3 4.6C to SAP R/3 Ent. 4.7, installation of SAPITS 6.20 på
Linux RedHat 7.1.
2001 - 2005 Ementor (Oslo, Norway)
Upgrade of SAP R/3 4.6B to SAP R/3 Enterprise 4.7, daily operations,
performance tuning etc. Platform is Win2000Server og MS SQL.
2003 FMC Subsea (Kongsberg, Norway)
Installation of SAP ITS 6.20 with 3 instances connecting to SAP
DEV/QAS/PRD environment, 1 WorkPlace instance and 1 Admin Instance
with WatchDog. Implemented with load balancing via Message Server and
Logon Groups. Platform is Win2000Server.
2002 Post Danmark (Copenhagen, Denmark)
Installation of SAP Web Application Server 6.20, Business Warehouse 3.0B
(BW) and Strategic Enterprise Management 3.1B (SEM). Platform is AIX and
Oracle.
2002 - 2003 Energi2 (Copenhagen, Denmark)
Analysis of Going Live Reports from SAP AG. and implementing the
recommendations from the reports. Platform is Sun Solaris and Oracle.
2002 - 2003 NESA (Copenhagen, Denmark)
Analysis of Going Live Reports from SAP AG. and implementing the
recommendations from the reports. Platform is Sun Solaris and Oracle.
2002 Ementor (Copenhagen, Denmark)
Upgrade CRM 3.0B-systemet with support packages and implementing
several SAP notes in the SAP IS-U system. Platform is SAP WAS6.10,
Win2000Server and Oracle).
2001 - 2003 One2Com (Oslo, Norway)
Migrating existing SAP environment from an ASP solution to a ”standalone”
solution. Installation of SAP 4.6B on Windows 2000 servers with
MSSQL7.0DB (DEV/QA- and PROD server). Configuring and tuning of all
systems. Installation of SAP ITS 46D on Windows 2000 server. Upgrade ITS
to version 610.
2002 DFDS Transport Group (Denmark)
Installation of Test and Production Systems (AIX, DB2, 4.6C),
implementation of Legacy System Migration Workbench (LSMW), etc…
2001 Hydro Aluminium (Karmøy, Norway)
Upgrade SAP og Oracle
(SAP from 4.0B to 4.6C, Oracle from 8.0.4 to 8.1.7).
2000 - 2001 Telenor (Oslo, Norway)
Daily operations of the SAP environment.
Upgrade of SAP R/3 from 4.5B to 4.6C. Platform is HP/UX and Oracle.
2000 Proactive (Oslo, Norway)
Daily operations of the SAP environment.
Upgrade of SAP R/3 from 4.5B to 4.6C. Platform is SUN Solaris and Oracle.
1999 Amarada Hess (Oslo, Norway)
Daily operations of the SAP environment.
1998 - 2000 ARCUS (Oslo, Norway)
Daily operations of the SAP environment.
Upgrade SAP from 3.1h to 3.1i.
Upgrade Oracle from 7.3 to 8.0.
1998 - 2001 Norske Skog (World Wide)
Daily operations of the SAP environment world wide incl. third party
applications like MAS (production planning), AmTrix (EDI) and others.
Education and Courses
2007 TBW10 - BI – Enterprise Data Warehousing
2007 TADM51 - Database Administration Oracle
2007 SMO100 - SAP Solution Manager Operations
2006 ADM315 - Workload Analysis
2005 ADM106 - Advanced SAP system monitoring
2005 ADM960 - SAP Security
2005 SAP Netweaver (Workshop)
2004 BIT660 - SAP Archiving
2003 ADM515 - SAP DB (MaxDB)
2002 SAP Solution Manager (Workshop)
2000 UNIX/AIX System Administration
2000 UNIX Basics
1999 SAP Basis Academy (2 weeks)
1998 SAP Basis Academy (3 weeks)
1998 Microsoft: NT 4.0 Core Technologies
1998 Microsoft: NT 4.0 Administration
1997 – 1998 Technical support for customers and employees at NKL COOP and Ideel.
1995 – 1997 Høgskolen i Østfold (HiØ), Halden.
College (2 years Information Technology studies.)