Windows Server 2022 build 20201

10.0.20201.1000.rs_prerelease.200822-1922
	Build of Windows Server 2022
OS family	Windows 10 (NT 10.0)
Version number	10.0
Build number	20201
Build revision	1000
Architecture	x64
Build lab	rs_prerelease
Compiled on	2020-08-22
Expiration date
Timebomb	2021-01-31 (+162 days)
About dialog

Windows Server 2022 build 20201 is the first official preview build of Windows Server 2022 released on 26 August 2020 along with its client counterpart. As a preview build of a long-term servicing channel (LTSC) release, it also includes the full desktop experience.

Changes[edit | edit source]

Introduced MsQuic, an open source implementation of the IETF QUIC transport protocol that powers both HTTP/3 web processing and SMB file transfers.
UDP and TCP performance improvements.
PktMon support in TCPIP.
RSC in the vSwitch improvements.
Direct Server Return (DSR) load balancing support for Containers and Kubernetes.
Introduced Virtual Machine (Role) Affinity/AntiAffinity rules with Failover Clustering.
Flexible BitLocker Protector for Failover Clusters.
New Cluster Validation network tests
Server Core Container images are now 20 percent smaller.
SMB now supports AES-256 Encryption.
Increased performance when using SMB encryption or signing with SMB Direct with RDMA enabled network cards.
SMB now has the ability to do compression to improve network performance.

SKUs and keys[edit | edit source]

Edition / SKU Name	Key
Standard	MFY9F-XBN2F-TYFMP-CCV49-RMYVH
Standard Server Core	V6N4W-86M3X-J77X3-JF6XW-D9PRV
Datacenter Server	2KNJJ-33Y9H-2GXGX-KMQWH-G6H67
Datacenter Server Core	B69WH-PRNHK-BXVK3-P9XF7-XD84W