Microsoft has released Windows Server vNext Insider Preview Build 19551 to Windows Insiders.

Announcing Windows Server vNext Insider Preview Build 19551

Hello Windows Insiders! Today we are pleased to release a new Insider preview build of the Windows Server VNext Semi-Annual Channel Datacenter and Standard editions.

What’s New

This build includes a fix that enlightens National Language Support (NLS) components to be container-aware. NLS state is now instanced per container. This fix addresses some scenarios where a container OS components attempts to access data that is unavailable in the container due to instancing.

Available Content

Windows Server vNext Semi-Annual Preview The Server Core Datacenter and Standard Editions are available in the 18 supported Server languages in ISO format and in VHDX format in English only.
Matching Windows Server Core App Compatibility FoD Preview
Matching Windows Server Language Packs

Symbols are available on the public symbol server – see Update on Microsoft’s Symbol Server blog post and Using the Microsoft Symbol Server.

Announcing Windows Server vNext Insider Preview Build 19551