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Announcing Windows Server vNext Preview Build 18346.1

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Mary Hoffman
Microsoft

Hello Windows Insiders!

Today we are pleased to release a new Insider build of the Windows Server VNext Semi-Annual Channel release. 


What's new

 

Server Core App Compatibility feature on demand (FOD)

 

The Server Core App Compatibility FOD was new in Windows Server 2019 and Windows Server, version 1809.  We are continuing investment in the App Compatibility FOD based on customer and Insider feedback. 

 

New in this Insider release for App Compatibility FOD:

  • Hyper-V Manager (Virtmgmt.msc)
    • Create and connect to VMs hosted on Server Core + the App Compatibility FOD!!
  • Task Scheduler (Taskschd.msc)

 

Please try it and let us know!  More to come....

 

Available Content


  • Windows Server vNext Semi-Annual Preview The Server Core Edition is available in the 18 supported Server languages in ISO format and in English only in VHDX format.
  • Windows Server Core App Compatibility FoD Preview
  • Windows Server Language Packs
  • Windows Admin Center Preview 1902

The following keys allow for unlimited activations of Windows Server Previews

Server Standard: V6N4W-86M3X-J77X3-JF6XW-D9PRV

Server Datacenter: B69WH-PRNHK-BXVK3-P9XF7-XD84W

This Windows Server Preview will expire July 5th, 2019.

 

Symbols are available on the public symbol server – see Update on Microsoft’s Symbol Server blog post and Using the Microsoft Symbol Server.  Windows Server container images may be obtained via Docker Hub. For more information about Windows Server containers and Insider builds, click here

 

How to Download 

 

Registered Insiders may navigate directly to the Windows Server Insider Preview download page.  If you have not yet registered as an Insider, see GETTING STARTED WITH SERVER on the Windows Insiders for Business portal.

 

We value your feedback! 

The most important part of a frequent release cycle is to hear what's working and what needs to be improved, so your feedback is extremely valued. For Windows Admin Center, Send us feedback via UserVoice. We also encourage you to visit the Windows Admin Center space on the Microsoft Tech Communities forum to collaborate, share and learn from experts. 


For Windows Server, use your registered Windows 10 Insider device and use the Feedback Hub application. See Share Feedback on Windows Server via Feedback Hub for specifics. We also encourage you to visit the Windows Server Insiders space on the Microsoft Tech Communities forum to collaborate, share and learn from experts.

 

Windows Server Bug Fixes

 

Bug#

Description

20087826

We fixed an issue where RDP to ServerCore and ServerACore SKU's did not work

        

        

 

Windows Server Known Issues

 

Bug#

Description

20675258

(New) Error after remoting to machine with RDP post FOD installation.  The error message indicates immediately that the remote session has ended with potential reasons, followed by a black RDP screen. This only impacts remoting to a physical machine with Server Core + FOD

20535853

(New) Applies to App Compat FOD MMC.exe only: Multiple Active Directory Users and Computers snap-ins added to the same MMC.exe instance could show inconsistent or no data on part of the snap-ins after adding extra columns to the UI view.  Wokaround: for UI user management, use a separate MMC for each ADUC (DSA.MSC) snap-in.

20215937

A local user’s last logon time output from “net user username” may not be recorded even when the user has accessed the server’s network share.

20149143

Scheduled startup tasks may fail to run. An event is logged, ID 101 with the error code ERROR_LOGON_FAILURE when the failure occurs.

20099362

A virtual machine may not report all virtual fibre channel (vfc) LUNs after powering on if there are 2000+ vfc LUNs. WMI queries from the host show the LUNS available.  Restarting the VMMs may show the LUNS again as available.

19980358

DCPromo fails if the interface metric of the physical NIC is larger than Loopback Interface

19919812

Third-party password filter dlls may not be notified when the local Administrator account's password was changed

19964260

[New] Attempting system image recovery from an image located on a network share may result in error “A specified logon session does not exist. It may already have been terminated”

19765417

Server FODs are not retained after in-place (or B2B) upgrade

19723487

Domain Controller rename updates incorrect attributes in AD leaving orphaned data behind (ValidateSPNsAndDNSHostNameActual).  This can be reproduced by adding a new FQDN, setting it as primary, restarting the domain controller, then removing the current FQDN.  Checking the msDS-AdditionalDnsHostName, msDS-AdditionalSamAccountName and servicePrincipalName attributes will incorrect values.

19684445

Invalid file may be created in %Systemroot%\System32\LogFiles\Sum by User Access Logging

18941473

Self-service users cannot install Feature on Demand (FOD) packages and Language Packs for Windows Server Update Service (WSUS), System Center Configuration Manager (SCCM), and Autopilot scenarios.

18814123

A container host may become unresponsive due to a deadlock when attempting to mount a volume. On an affected system, Docker hangs on all commands.

18314155

When a Windows Defender Application Guard container crashes, the resulting type of dump may be unexpected.

 

Terms of Use


This is pre-release software - it is provided for use "as-is" and is not supported in production environments. Users are responsible for installing any updates made available from Windows Update.   All pre-release software made available to you via the Windows Server Insider program are governed by the Insider Terms of Use.

 

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