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Replacing an ALM system shouldn’t mean losing years of engineering history. Learn why legacy data retention matters, why common workarounds fail, and how purpose-built ALM data archiving helps organizations preserve traceability, compliance, and institutional knowledge after migration.
Ports and infrastructure
OpsHub Migration Manager
Strategic tool consolidation for a leading utility and infrastructure conglomerate , replacing end-of-life Jira DC and TFS 2020 with a single, unified Azure DevOps platform. 870,000+ items, zero data loss.
Work items migrated
Projects migrated
History and audit trail preserved
Downtime or disruption
Business continuity maintained
01
Scale · Consolidation · Business continuity
The organisation operated Jira DC with 770K work items across 50 projects, and TFS 2020 with 100K items across 4 separate instances and 35 projects. Consolidating both onto ADO demanded a robust, automated migration engine capable of handling heterogeneous and homogeneous migrations simultaneously.
TFS was heavily customised across all 4 instances, with different project templates in both TFS and ADO. Translating these non-standard configurations accurately into ADO's structure without losing field values, states, or relationships was a significant technical challenge.
The organisation's engineering operations run continuously. Extended downtime during migration would stall active projects and disrupt delivery timelines. The migration had to be executed in a way that minimised system unavailability and kept teams productive throughout the transition.
Jira Data Center was reaching the end of its supported lifecycle, requiring a platform decision. The team evaluated moving to Jira Cloud but chose instead to consolidate onto Azure DevOps, which was already deployed internally, making ADO the single platform for all engineering delivery.
Each of the 4 TFS instances had its own project structures, work item types, and administrative configurations. Consolidating these into a unified ADO environment required careful namespace management and project-level mapping to avoid collisions.
At this scale, maintaining the integrity of work item histories, parent-child relationships, cross-project links, and attachments was non-trivial. Any silent data loss or corruption would undermine the value of the migrated ADO environment.
02
Phased, non-disruptive migration
OMM's incremental migration approach allowed the bulk of data to be moved ahead of the cutover window, with only a final delta sync required at golive, dramatically reducing the downtime exposure for The organisation's engineering teams.
OMM's rule-driven mapping engine translated TFS's heavily customised project templates and field structures into ADO equivalents, handling mismatches between source and target schemas without data loss.
Work item revision histories, comments, attachments, parent-child links, and cross-project references were all preserved across both migration tracks, ensuring ADO reflected a true and complete picture of each project.
OMM handled both a heterogeneous migration (Jira DC to ADO, across different platforms and schemas) and a homogeneous migration (TFS 2020 to ADO, within the Microsoft ecosystem) simultaneously, with independent configuration profiles for each track.
All 4 TFS instances and their 35 projects were mapped and migrated into a single, coherent ADO organisation, with namespace conflicts resolved and project boundaries maintained throughout.
Post-migration validation confirmed item counts, field values, link integrity, and attachment completeness across all 85 projects, providing full confidence in the fidelity of the migrated environment.
03
History-preserving · 100% secure · On-prem to cloud
770K work items
50 projects
Instance 1
Instance 1
Instance 1
Instance 1
Federated · Governed · Enterprise-Scale Integration Platform
Dual-track
Phased
Zero data loss
Cloud
850K work items migrated
85 projects unified
04
Tailored strategy · Phased · Zero disruption
Migration Delivery Phases
Ecosystem audit
OMM deployment
Optimization and sign-off
Two tracks, 85 projects, 870K+ work items
Heterogeneous · Lifecycle-driven
Track one
770K
Total work items moved from Jira to ADO
50
Jira projects mapped and migrated to ADO
Trigger: Jira DC end of life
ADO system already in use by teams
All standard and custom issue types
Custom workflows and field structures
Change history
Zephyr plugin data
Homogeneous · Microsoft ecosystem
Track two
100K work items, 35 projects
Highly customized
Challenge: Different project templates in all TFS instances and ADO
All standard and custom issue types
Test suites
Test plans
Git repositories
06
Results at a glance
Projects migrated to Azure DevOps
Projects successfully migrated
Parallel migration tracks executed
Disruption to business continuity
07
What made this migration possible
| Capability | Description | Migration Role |
|---|---|---|
|
Dual-track migration |
Simultaneous, independently configured migration tracks for Jira DC and TFS 2020 |
Enabled both source platforms to migrate to ADO in parallel without conflict |
|
Custom field and template mapping |
Rule-driven translation of heavily customised TFS project templates and Jira schemas to ADO structures |
Preserved field values and work item types despite mismatched source and
target schemas |
|
Incremental migration |
Bulk data migrated ahead of cutover; only a final delta sync required at go live |
Minimised downtime to a tight, predictable window, keeping teams productive throughout |
|
History and link preservation |
Full work item revision history, comments, parent-child links, and attachments migrated |
Ensured ADO reflected a complete and accurate picture of each migrated project |
|
Multi-instance consolidation |
Multi-instance consolidation |
All 4 TFS instances and 35 projects consolidated into a single ADO organization |
|
Post-migration validation |
Automated reconciliation of item counts, field values, links, and attachments
post-migration |
Provided stakeholder confidence in data fidelity across all 85 projects before sign
off |
What was delivered
All engineering work unified onto Azure DevOps, eliminating the need to manage and maintain two separate platform environments.
All work items migrated with complete history, links, and attachments intact, giving teams an accurate and trustworthy ADO environment from day one.
Incremental migration design kept engineering teams productive throughout, with downtime reduced to a short, planned cutover window.
Decommissioning of legacy DOORS and RTC servers. Significant reduction in server maintenance and licensing fees. Engineering and IT staff freed from manual system workarounds.
The business case showed savings of approximately 4x the initial Codebeamer investment. The decision to migrate was clear and financially validated.
Original usernames, timestamps, and field values were migrated as-is. Each team member and decision maker had visibility to make informed decisions.
09
Delivered, live, and next steps
Full audit of Jira DC and TFS environments across all instancesField structures, templates, and ADO target schema mapped Dual-track migration strategy and cutover plan defined
OMM configured with independent mapping rules for both tracksIncremental bulk migration executed across all 85 projects Field translations and mappings validated in ADO throughout
Final delta sync completed with planned cutover Item counts, links, history, and attachments verified Teams onboarded to live ADO with stakeholder sign-off
“By choosing OpsHub Migration Manager for its strategic consolidation onto Azure DevOps, the organization eliminated two separate platforms, including Jira DC, which had reached the end of its supported lifecycle, and unified over 870K work items across 85 projects into a single, modern environment, with full history intact and zero data loss.”
