6 Appendix A: Product Behavior

The information in this specification is applicable to the following Microsoft products or supplemental software. References to product versions include updates to those products.

The terms "earlier" and "later", when used with a product version, refer to either all preceding versions or all subsequent versions, respectively. The term "through" refers to the inclusive range of versions. Applicable Microsoft products are listed chronologically in this section.

Windows Client

  • Windows 10 v1703 operating system

Windows Server

  • Windows Server 2016 operating system

  • Windows Server operating system

  • Windows Server 2019 operating system

Exceptions, if any, are noted in this section. If an update version, service pack or Knowledge Base (KB) number appears with a product name, the behavior changed in that update. The new behavior also applies to subsequent updates unless otherwise specified. If a product edition appears with the product version, behavior is different in that product edition.

Unless otherwise specified, any statement of optional behavior in this specification that is prescribed using the terms "SHOULD" or "SHOULD NOT" implies product behavior in accordance with the SHOULD or SHOULD NOT prescription. Unless otherwise specified, the term "MAY" implies that the product does not follow the prescription.

<1> Section 1.5:  Host Key-based attestation is not supported in Windows client versions earlier than Windows 10 v1809 operating system or Windows server versions earlier than Windows Server v1809 operating system.

<2> Section 1.7:  "v2.0" and "version 2" are not supported in client releases earlier than Windows 10 v1803 operating system or server releases earlier than Windows Server v1803 operating system.

<3> Section 3.2.3:  For Windows clients with TPM 2.0, AttemptedOperationMode is initialized to TPM.