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Directory Migration

Assurance Accelerator

Evidence Cutover

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NorthBank UK

OBL Directory Migration 2026

NorthBank UK/OBL Directory Migration 2026

Test & Prove Evidence Cutover

Control · target 2026-11-14

Production Cutover Readiness

Gate-based readiness for the Production switch to the new OBL Directory.

Status

NOT READY

8 of 12 gates passing · 3 blockers · checklist 4/10

The platform provides assurance evidence. The Bank retains responsibility for the production Go/No-Go decision.

Readiness68%

Critical findings5

Evidence coverage81%

Blockers3

Cutover blockers

CriticalFND-1042Legacy Directory endpoint detectedTPP Registration ServiceOpen
CriticalFND-1043OAuth audience references legacy token endpointJans IAMAssigned
CriticalFND-1044Signing key selected by position, not kidJans IAMOpen

Cutover gates

PASSSandbox validated; Production change scheduled
PASSToken endpoint and scopes verified in Sandbox
PASSOrganisation lookup and certificate validation proven
PASSChain validated on API Gateway and F5
PASSEntrust and Keyfactor certificates accepted at the edge
PASSOCSP and CRL reachable; new Directory host allow-listed in Sandbox
WARNINGPISP journey not yet run; AISP journey warning
FAIL5 critical findings open, 3 are cutover blockers
WARNING81% coverage; target 95%
PASSRollback plan approved; rehearsal complete
PASSDashboards and alerts updated
FAIL3 migration-critical TPP continuity failures remain unresolved.

Existing TPP Continuity sub-gates

Mandatory gate — click a TPP continuity failure to open the affected population

PASSExisting registrations preserved184 client registrations intact; no mass re-registration dependency detected
FAILDirectory identity resolutionLegacy Directory lookup remains configured; 1 organisation not found
PASSEntrust certificate continuity137 Entrust certificates validate against the existing chain
FAILKeyfactor certificate readinessKeyfactor chain missing from the Open Banking API Gateway trust store
WARNINGDual trustProven at the load balancer; not yet proven at the gateway
PASSSSA validationSoftware statement signatures validate against the new Directory JWKS
WARNINGRole / permission validation4 role differences under investigation
WARNINGRepresentative end-to-end testing5 of 7 cohorts completed end-to-end
FAILCritical TPP exceptions3 migration-critical continuity failures remain unresolved
WARNINGEvidence completeness91% TPP continuity evidence coverage; target 95%

Cutover checklist

4 of 10 complete

All cutover blockers closed with verified evidence
Migration test suite passed in Production (no FAIL)
Dual-trust bundle deployed to all in-scope trust stores
Egress allow-list updated for new Directory host
Rollback plan approved by CAB
Monitoring dashboards updated for new Directory
TPP communications issued
Hypercare rota confirmed
Evidence pack exported and reviewed by Risk
Go/No-Go decision recorded by authorised approver

Go / No-Go decision

Only Migration Programme Manager, Risk / Compliance and Administrator can record the decision

GO is disabled until all gates pass.