# Lifecycle Policy And Legacy Support Syntphony Lifecycle Policy provides consistent and predictable guidelines for support throughout the life of a product, helping customers manage their IT investments and environments while strategically planning for the future. All versions released by assets covered by Customer Support Plans have an associated support for 1 year. Most of the products will be able to update to newer versions in time, but in case EOS applies, NTT DATA will provide a minimum of 6 months notification prior to ending support for those versions. Customer Support for PREMIER and PLATINUM plans can purchase **Legacy support service** depending on the scenario: * **EOS (End of Support)**: EOS is often the precursor to EOL. The product would announce an end date after which they no longer support a system or service. This applies before a migration of users to newer versions of the product. In this scenario Legacy support provides you with an extra 1 year of support. * **EOL (End of Life)**: This means the version should be taken out of service. In this scenario Legacy support provides you with an extra 1 year of support. * **Service conditions:** Legacy support service is available for an additional licence fee and benefits from: * Extended technical support for deprecated product versions. * Updates, fixes, security alerts, data fixes, and critical patch updates. [*Back*](/trust-center/support-model/customer-support-policy/value-added-services.md) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://trustcenter.syntphony.com/trust-center/support-model/customer-support-policy/value-added-services/lifecycle-policy-and-legacy-support.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.