Microsoft Core CAL – User Access Licence, No Version Limit, Add‑On (SKU W06-00664)

The Microsoft Core CAL – User Access Licence (SKU W06-00664) provides a perpetual, user‑based entitlement that grants a single employee unrestricted access to every current and future Windows Server edition, as well as other Core CAL‑eligible products such as Exchange, SharePoint and SQL Server. This add‑on licence is designed to complement an existing volume‑licensing agreement, extending the rights of an already‑licensed user without the need for additional device licences. Ideal for organisations that prioritise flexibility and long‑term cost‑efficiency, this Core CAL removes version‑specific constraints, ensuring that your IT infrastructure can evolve without licence‑upgrade interruptions. The licence is a one‑time purchase with no recurring fees, simplifying budgeting and compliance for IT managers across Australia’s competitive business landscape.