MigrationSolution.ppt [Kompatibilitätsmodus] · /hyho ,, ;0/ irupdwwhg h[sruw ilohv pdvwhu gdwd...
Transcript of MigrationSolution.ppt [Kompatibilitätsmodus] · /hyho ,, ;0/ irupdwwhg h[sruw ilohv pdvwhu gdwd...
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SAP HCM
Migration Solutions by NLS
VariantsArchitectureMappingXML transfer formatVerificationProcess
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2HCM Data Migration: Possible Variants
SAP (remote) client copy
• free-of-charge Standard
• only full clients no separation based on applications
Transports & file down-/up-load
• proven SAP data transport methods
• not all HCM objects
• very technical
SAP LSMW / TDMS
• Only import
SAP Services (SLO: System Landscape Transformation)
• all HCM objects / costs ?
Third party
• your choice (Hayes, EPI USE, Centric, …)
Our migration services
• all HCM objects
• all kinds of mappings / filters / splits / generators
• full service
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3HCM Data Migration: Variants by NLS
A) (‘level I’) Transports & file down-/up-load
• customizing and data
• proven SAP data transport methods
• not all HCM objects
• very technical
• low cost
B) (‘level II’) NLS migration tools & services
• customizing and data based on XML formatted data in files
• all HCM objects
• all kinds of mappings / filters / splits / generators
• full service
Options
• Repository objects (Programs, …) can be transferred on time&material basis
Customer involvement
• All migration activities are executed by NLS; the customer provides the necessary infrastructure and is responsible for the verification of the results.
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4HCM Data Migration: Our Approach, level I ‘technical transfer’
Migration as a service
• All installations and runs are performed by us
• remotely (via standard SAP infrastructure) and on-site
• tests and production runs
• Assistance in critical issues (e.g. number areas)
• Customer input at verification (‘only’)
Restrictions
• No data modifications (mapping, filtering, slitting, deletion) possible
No Tools required
• based on standard SAP transport environment
• no additional costs
HCM know how
• 15 years in the SAP HCM industry
• HR/HCM Migrations since 1997
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5Level I: Data Migration: transports
An analysis of repository, customizing and data objects to be migrated is made. The lists are maintained as Excel sheets.
Together with the customer the objects are classified.
Based on the list transport requests are generated in the source system(s).
The transports are released and transported into the target systems (development, customizing, production).
Additional small tools allow for (limited) post-processing and for verification (item counts, sums, …).
The migration process may be repeated by rescheduling of transports.
Additional object types (e.g. HCM infotype attachments) may be migrated separately.
Excel-based object lists (sample) :
Genrated transport requests (samples) :
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6HCM Data Migration: Our Approach, level II ‘tool/XML based’
Migration as a service
• All installations and runs are performed by us
• remotely (via standard SAP infrastructure) and on-site
• tests and production runs
• Assistance in critical issues (e.g. number areas)
• Customer input at mapping and verification (‘only’)
Tools on a loan base
• proven toolset
• cost sensitive
Additional benefits
• Data archive in architecture independent format
HCM know how
• 15 years in the SAP HCM industry
• HR/HCM Migrations since 1997
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7Level II: Architecture
Any R/3 HR mySAP HCM
Master data
OM data
FI/CO Postings
time ev. cluster
payroll cluster
export driver
verification driver
R/3 HCM [xxx/nnn]
Master data
OM data
time ev. cluster
payroll cluster
import driver
verification driver
transfer files
In XML format
‘archive’
comparison reports
migration pre-check
Mapping table
Mapping loader
Mapping of values – business view
s/l doc. cluster
PA attachments
calendars
FI/CO Postings
s/l doc. cluster
PA attachments
calendars
export driver
XML
XML
countscounts
Index files
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8Level II: Assistance tools
Several tool assist in the common migration tasks
Data
• Export & Import of all HCM/customer objects, Transfer in XML format
• PreCheck
• Verifications
• Table copy & compare
Process
• Job scheduler
• Mapping loader
The migration and assistance tools are entirely SAP based (ABAP/4 coded)
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9Level II: Verification tools
Several tool assist in the migration verification phase
Verification Overview
• Generation and comparison of key figures (counts, sums, …)
• Tolerates deletions and splits
• Fast (kind of…)
Verification on field level
• 100 % check
• Uses mapping rules
The migration verification tools are entirely SAP based (ABAP/4 coded)
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Level II: Data Migration Mapping
The mapping is maintained in a Excel sheet optimized for business review purposes.
Any business object (e.g. actions) has a sheet by its own (violet frame).
Text insertion is possible everywhere (orange frame).
Actual technical mapping value pairs ‘from’ (blue frame) & ‘to’ (green frame) are automatically extracted and put into the migration mapping tables.
Hints, algorithms and Status can be given to the developers and are reported from the mapping loader (red frame).
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Level II: Applications of the toolset
Construction of transport requests of selectable workbench (usually custom developments) objects.
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Level II: Applications of the toolset
Construction of transport requests of selectable customizing objects.
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Level II: Applications of the toolset
Export of organizational management (PD) data.
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Level II: Applications of the toolset
Import of organizational management (PD); including relationships and update of ASSHR, ASSOB, PDSNR & PTQUODED tables.
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Level II: Applications of the toolset
Export of master data, payroll results (cluster) and time events (cluster).
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Level II: Applications of the toolset
Import of master data, payroll results (cluster) and time events (cluster).
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Level II: Applications of the toolset
Export and Import of cluster PCL1 with selectable ‘RELID’s
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Level II: Applications of the toolset
Export and Import of PBC
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Level II: Applications of the toolset
Export and Import of calendars (public, holiday, factory, …)
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Level II: Applications of the toolset
Export and Import of postings to FI
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Level II: Applications of the toolset
Export and Import of users
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Level II: XML formatted export files
The XML format for transfer of employee data from a legacy system into a SAP HCM system is closely related to the structures and field names of the SAP HCM data model.
Structures
• Infotypes OM and PA
• Tables of Clusters PCL1 & PCL2
• Postings to FI
• ‘frontend’ Attachments
Field Names
• Short Names as defined in the SAP data dictionary
The technical and business description of the XML tag names can therefore
retrieved directly from the R/3 system.
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Level II: XML formatted export files
master datapayroll cluster
time cluster
head
Body: employees
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Level II: XML files : master data ov
Infotypes grouped by type
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Level II: Export files : master data details
Single Infotypes with fields
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Level II: Export files : payroll cluster overview
a line consists of tables
Cluster structured in periods & lines
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Level II: Export files : payroll cluster wpbp
Table consists of multiple entries,
Every entry has fields
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Level II: Export files : payroll cluster RT compressed
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Level II: Export files : time management cluster
Time cluster is structured into periods,
Periods consist of tables
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Level II: Export files : time management cluster
Tables have multiple entriesEvery entry consists of fields