6 Appendix A: Product Behavior

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

 

  • Windows 8 operating system

  • Windows Server 2012 operating system

  • Windows 8.1 operating system

  • Windows Server 2012 R2 operating system

  • Windows 10 operating system

  • Windows Server 2016 operating system

  • Windows Server operating system

  • Windows Server 2019 operating system

  • Windows Server 2022 operating system

  • Windows 11 operating system

  • Windows Server 2025 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 2.2.4.2.1.5.3:  In some scenarios, Microsoft RDP 8.0 servers set the value of the tailLen field to 0x0008.

<2> Section 2.2.4.2.1.5.3:  In some scenarios, Microsoft RDP 8.0 servers initialize the tailData field with the following sequence of eight bytes: 0x4C 0x41 0x01 0x00 0xFF 0xFF 0x00 0x10. This data has no effect on the final image rendered by the Microsoft RDP 8.0 client-side decoder. However, if any other non-zero sequence of bytes is encountered by the decoder, it will fail to decode the RFX_PROGRESSIVE_TILE_SIMPLE structure.

<3> Section 2.2.4.2.1.5.4:  In some scenarios Microsoft RDP 8.0 servers set the value of the tailLen field to 0x0008.

<4> Section 2.2.4.2.1.5.4:  In some scenarios Microsoft RDP 8.0 servers initialize the tailData field with the following sequence of eight bytes: 0x4C 0x41 0x01 0x00 0xFF 0xFF 0x00 0x10. This data has no effect on the final image rendered by the client-side decoder. However, if any other non-zero sequence of bytes is encountered by the Microsoft RDP 8.0 decoder, it will fail to decode the RFX_PROGRESSIVE_TILE_FIRST structure.