Ireland and the United Kingdom enterprise technology-change research

PT-2026-159 · dossier edition · 2 August 2026

PlatformTrace

Enterprise platform change across Ireland and the United Kingdom.

enterprise applications · completed

TalkTalk moves from Dynamics AX 2012 to Dynamics 365 Finance

TalkTalk Group, United Kingdom completed replacement with legacy systems decommissioned: dynamics 365 Finance.

Organisation
TalkTalk Group, United Kingdom
Predecessor
Dynamics AX 2012 and related legacy finance infrastructure
Destination
Dynamics 365 Finance
Workload
Dynamics 365 Finance
Stage
completed
Evidence boundary: Microsoft reports approximately GBP 100,000 in annual support savings and GBP 140,000 of avoided infrastructure upgrades. Do not extend the claim to every TalkTalk application or network platform.

Verified platform change

TalkTalk Group, United Kingdom completed replacement with legacy systems decommissioned: dynamics 365 Finance.

Transition

From: Dynamics AX 2012 and related legacy finance infrastructure

To: Dynamics 365 Finance

Known unknowns

Microsoft reports approximately GBP 100,000 in annual support savings and GBP 140,000 of avoided infrastructure upgrades. Do not extend the claim to every TalkTalk application or network platform.

Official sources

  1. TalkTalk moves from Dynamics AX 2012 to Dynamics 365 Finance — not stated