Microsoft Core CALs

Client-Access Licenses (CALs) are required for access to most Microsoft server products. The Microsoft agreement provides Core CALs for students, faculty, and staff access to Purdue-owned servers running the standard version of Windows Server, Exchange Server, System Center, SharePoint Server and Skype for Business Server.

CALs for other Microsoft server products may need to be licensed separately. Note that Terminal Server and Remote Desktop CALs must be licensed separately for Windows Server. Server CALs can be purchased from SHI, Software House International. To request a quote send an email to

For more information:


ITaP Licensing and Distribution offers limited support of this product, covering issues with software licensing.  Please send e-mail to for information or questions on server licensing.

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