Client Access License (CAL)

Definition - What does Client Access License (CAL) mean?

A client access license (CAL) is a type of license binding the licensee to a set of user terms limiting how the organization's services are used. This is typically done using software accompanied by a certificate of authenticity and a several digit license key. The end user is required to verify their CAL by transposing the license key numbers into a designated field prior to downloading the software.

Techopedia explains Client Access License (CAL)

Microsoft is just one company using CALs to ensure proper usage of its systems and applications. Whether or not multiple CALs will be necessitated, or single CALs are used, is primarily based on whether a product is being used for personal or business use. For business use, CALs may be assigned to more than one person, but multiple users may not use the software simultaneously. Larger organizations generally benefit from device CALs, which may be applied to all devices or computers connected to a shared server.

Connect with us

Techopedia on Linkedin
Techopedia on Linkedin
Techopedia on Twitter

Sign up for Techopedia's Free Newsletter!

Email Newsletter

Join 138,000+ IT pros on our weekly newsletter

3 Amazing Management Tools -- All Free
3 Amazing Management Tools -- All Free:
Attention network admins, get the top tools from Solarwinds. No expiration, 100% free.
Free 30 Day Trial – VMTurbo Operations Manager
Free 30 Day Trial – VMTurbo Operations Manager:
Handles the scale and complexity of today’s virtual and cloud environments for you, keeping your application owners happy while maximizing...