Release Notes: Important Issues in Windows Server 2016 Technical Preview

Updated: December 7, 2015

Applies To: Windows Server Technical Preview

These release notes summarize the most critical issues in the Windows Server® 2016 Technical Preview operating system, including ways to avoid or work around the issues, if known. For information about by-design changes, new features, and fixes in this release, see What’s New in the Windows Server Technical Preview and announcements from the specific feature teams. Unless otherwise specified, each reported issue applies to all editions and installation options of Windows Server 2016 Technical Preview.

This document is continuously updated. As critical issues requiring a workaround are discovered, they are added.

Preview expiration

This preview release will expire on October 15, 2016. Two weeks prior to this date, you will receive notifications of the pending expiration. After this date, the system will restart every three hours. There is no workaround.

Local Administrator account

Some functionality is not available if you are logged into the local Administrator account. The Edge browser is one example. To work around this, add a separate user account to the Local Administrators group and use that account instead.

Initial logon

The first time you log on, you might encounter a black screen for more than 60 seconds. There is no workaround at this time. Subsequent logons will occur faster.

MSMQ

If you install Microsoft Message Queueing (MSMQ) and multiple sub-features at the same time, MSMQ multicast messages might not arrive at their destination.

To avoid this, install sub-features of MSMQ separately from the installation of MSMQ.

If this has already occurred, manually start the multicast service: from an elevated command prompt, run net start rmcast. You can check the state of the multicast service by running sc query rmcast.

Nano Server Recovery Console

In builds for locales other than EN-US, you might encounter some characters displayed in the Nano Server Recovery Console as square glyphs. There is no workaround other than to use the EN-US version.

NIC teaming

The following issues are known to affect this feature in this release:

• Detection of unsupported configurations does not work. This means that vNICs, tNICS, or bridges in a team will not be blocked and could make the system unstable or unexpectedly fail.

• You are not able to set a VLAN on a team interface.

• Teaming that depends on the Cisco N1K extension does not work.

SimpleTCP

If you install Windows Server 2016 Technical Preview in Server Core mode, you will not be able to install SimpleTCP. If you need SimpleTCP, install Windows Server with the Server with Desktop Experience option.

Start menu

Some shortcuts might not appear in search results on the first or subsequent attempts. To work around this, manually navigate to the location in the Start menu.

Storage

If you tun a deduplication cmdlet with the -Preempt option while a lower-priority job is already running, the higher-priority job might not start. For example the hourly default background optimization job might prevent a custom deduplication maintenance job from running.

To avoid this, check if any deduplication jobs are already running, stop any that are running, and then start the job that was expected to pre-empt other jobs.

Task Manager

If you install Windows Server 2016 Technical Preview in Server Core mode and Manager attempt to start a new task in Task Manager by using the Browse button on the Create New Task dialog (from the File menu), nothing happens. To work around this, use the command prompt to navigate to the path of the file you want to open, and then copy and paste the path into the Run New Task dialog.

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