Migrating banking data to Temenos T24 / Transact is more than moving records from one system to another. Customer, account, balance, transaction and product data must be assessed, mapped, transformed, validated and reconciled before the new system goes live.
A structured migration approach helps banks reduce data risk and improve readiness for production cutover.
The T24 Data Migration Journey
Assess → Map → Transform → Migrate → Validate → Reconcile
Each stage plays an important role in ensuring that migrated data is complete, accurate and fit for use.
1. Assess
Understand the data before moving it.
Data profiling identifies:
- Source systems and structures
- Data volumes
- Data quality issues
- Duplicate and incomplete records
- Dependencies between data entities
- Migration scope and complexity
The objective is to understand what needs to be migrated and what needs to be addressed first.
2. Map
Define where the data needs to go.
Source data is mapped to the relevant T24 / Transact structures.
Typical mapping includes:
Source Data → Transformation Rules → T24 / Transact
Clear mapping documentation provides a foundation for development, testing and business validation.
3. Transform
Prepare legacy data for T24.
Transformation may include:
- Data cleansing
- Format conversion
- Code conversion
- Value derivation
- Reference data transformation
- Business-rule based changes
The transformation process should be controlled and repeatable across migration cycles.
4. Migrate
Move the prepared data into T24 / Transact.
The migration process typically involves:
Extract → Transform → Load
Each migration cycle should track records processed, loaded, rejected and requiring attention.
5. Validate
Check whether the migrated data is correct.
Validation can include:
- Record counts
- Mandatory fields
- Data formats
- Customer information
- Account information
- Balances
- Transactions
- Business rules
Validation should be performed throughout the migration process, not only at the end.
6. Reconcile
Prove that the migration is complete and accurate.
Source and target data can be compared across critical banking entities.
Source System
↓
T24 / Transact
↓
Reconciliation
↓
Exceptions Identified
↓
Resolution & Sign-off
Reconciliation may cover customers, accounts, balances, transactions, products and other critical data.
Mock Migration Before Go-Live
Production migration should not be the first time the complete process is executed.
Banks can use multiple migration cycles to:
Test → Measure → Fix → Repeat
Mock migrations and dress rehearsals help validate migration timing, transformation rules, reconciliation, operational procedures and production readiness.
What Should Banks Look for in a T24 Migration Partner?
A migration partner should have more than T24 knowledge. Key capabilities include:
T24 / Transact Expertise
Understanding of the target core banking environment.
Data Migration Capability
Experience with assessment, mapping, transformation and loading.
Reconciliation
Ability to demonstrate source-to-target completeness and accuracy.
Migration QA
Structured testing and defect management across migration cycles.
Cutover Experience
A controlled approach to production migration and post-migration validation.
How TechVantage Supports T24 Data Migration
TechVantage provides specialist data migration services for banks implementing, reimplementing or upgrading Temenos T24 / Transact.
Our approach covers:
Assessment → Mapping → Transformation → Migration → Validation → Reconciliation
TechVantage also provides a migration platform supporting data profiling, mapping, transformation, validation and reconciliation.
Planning a T24 / Transact migration?