How do I find my Microsoft Open License authorization number?

Finding Your License and Authorization Numbers

  1. Your license number for each request is listed under Licensing ID.
  2. Your authorization number for each request is listed under Parent Program on the line below the word OPEN (indicating these licenses are from the Open License program).

What is VLSC portal?

The Volume Licensing Service Center (VLSC) gives you easy access to: Download products and keys. Access all your licensing information in one location. View your relationship summary and license summary details. Review the status of your enrollments.

How do I find my Vlsc license key?

How to locate Product Keys in VLSC

  1. Sign into the VLSC Volume Licensing Service Center.
  2. Select Licenses > Relationship Summary > Licensing ID > Product Keys.

How do I activate my Microsoft Open License?

Once you order your Open online service, you will receive an email with a link and instructions to activate your services. From the VLSC, Open customers can go to the Online Service Activation section and select the license to manage. Click on the manage activation link.

Do Microsoft Open licenses expire?

All services, products, and offers in Open License program today will remain available until January 1, 2022. You continue to have full rights and access to all perpetual software licenses acquired through the Open License program. Software Assurance coverage remains active until its expiration.

What is mak key?

A multiple activation key (MAK) is a software licensing and activation tool that provides one-time activation of a software product via a hosted authentication/activation server. This software product activation and authentication technique is used by Microsoft for validating single or multiple computers.

What is the difference between KMS and MAK license key?

Either or both key types may be used by customers to activate systems in their organization: Key Management Service (KMS) allows organizations to activate systems within their own network. Multiple Activation Key (MAK) activates systems on a one-time basis, using Microsoft’s hosted activation services.