Technology Portfolio Management (TPM) Best Practices - Retire software technologies properly — migrate dependent applications, decommission cleanly, update the Standards Register
Technology Portfolio Management (TPM) Best Practices
Retire software technologies properly — migrate dependent applications, decommission cleanly, update the Standards Register
Overview
Software technology retirement is frequently treated as a conclusion — the Standards Register status is updated to Retired, the license is allowed to expire, and the technology is considered gone. In reality, software technology retirement is a multi-stream decommissioning program that encompasses migration of all dependent applications, termination of all licenses and subscriptions, decommissioning of all infrastructure provisioned for the technology, removal of the technology from all development environments and toolchains, and documentation of the retirement for audit and historical reference. Treating retirement as a single administrative action rather than a coordinated program consistently produces incomplete retirements where the governance record says Retired while some number of applications remain on the technology and some number of licenses continue to be paid.
Best Practice
Govern software technology retirement as a formal program with defined workstreams, named owners for each workstream, a completion milestone for each, and a governance sign-off confirming that all workstreams have been completed before the retirement is recorded as final. The retirement program workstreams should include at minimum: application migration confirmation, verifying that every application that was using the technology has been migrated to its replacement and is operating correctly on the replacement; license and subscription termination, confirming that all licenses, subscriptions, and maintenance agreements associated with the technology have been formally terminated; infrastructure decommissioning, confirming that all servers, containers, and cloud resources provisioned specifically for the technology have been terminated and their costs eliminated; development toolchain removal, confirming that the technology has been removed from all development environments, CI/CD pipelines, and build toolchains across all teams that were using it; and Standards Register update, recording the technology’s final lifecycle status as Retired with the retirement date and a summary of the completed retirement workstreams.
Benefit(s)
Governed software technology retirement that is treated as a multi-workstream program rather than an administrative status update produces complete, clean retirements that eliminate the cost, risk, and governance burden the retired technology was creating. License costs are eliminated rather than continuing to accrue for a technology that is nominally retired but still being paid for. Security exposure from residual infrastructure running on the retired technology is eliminated. And the retirement record provides the audit documentation that demonstrates to regulators, auditors, and internal governance bodies that the retirement was executed completely and appropriately.
Copyright for the International Foundation for Information Technology (IF4IT): 2008 - Present
Legal Disclaimers