Check the listing for details. Microsoft Dell Windows Server 2019 CAL License 10 Users New OEM. Condition: Brand New, Made in United States. Listed at 398.52 USD. CALs do not require technical activation like a product key. They are declarative: you simply need to ensure that you have the correct number of CALs corresponding to your users or devices. Management is done administratively by retaining proof of purchase and the documentation provided. You can track usage through Windows Server administrative tools (license manager) to ensure compliance during potential Microsoft audits. A Dell EMC Original Equipment Manufacturer (OEM) license is a genuine Microsoft license distributed by Dell to accompany its PowerEdge servers and EMC solutions. These licenses are 100% legal and recognized by Microsoft . They have the same validity and the same rights of use as the licenses sold directly by Microsoft . The only difference is the distribution channel: De.