Windows Server 2019 build 17738

10.0.17738.1000.rs5_release.180810-1706
	Build of Windows Server 2019
OS family	Windows 10 (NT 10.0)
Version number	10.0
Build number	17738
Build revision	1000
Architecture	x64
Build lab	rs5_release
Compiled on	2018-08-10
Expiration date
Timebomb	2018-12-14 (+126 days)
SKUs
	Standard Server; Standard Server Core; Datacenter Server; Datacenter Server Core; Hyper-V Server
About dialog

Windows Server 2019 build 17738 is the eleventh Insider Preview build of Windows Server 2019. It was released on 21 August 2018.

New features and changes[edit | edit source]

Added the capability to assign simple buses to process-isolated Windows Server containers. Applications running in containers that need to talk over SPI, I2C, GPIO, and UART/COM will now be able to do so.
Added support for Software Defined Network (SDN) high performance gateways.

Bugs[edit | edit source]

Notepad may crash or display an empty pane when a user selects the Open command on the File menu.
Authentication that uses Public Key Cryptography User-to-User (PKU2U) to access an SMB volume can result in the error STATUS_LOGON_FAILURE. This is due to an invalid private key in the certificate for a cluster-created user account (CSUSR) on each of the cluster nodes. It can cause cross-cluster migration in cluster sets to fail, as well as possibly cause global namespace mappings to fail, which in turn leads to virtual machines being unable to access storage.
The Base Filtering Engine service may consume an unusually large amount of memory after starting and stopping thousands of containers.
The operating system has an unnecessary utility account for Windows Defender Application Guard.
The system may crash with a SYSTEM_THREAD_EXCEPTION_NOT_HANDLED blue screen of death in the Virtual Hard Disk Miniport Driver (Vhdmp.sys).
When a Windows Defender Application Guard container crashes, the resulting type of dump may be unexpected.
On a preview build of the operating system, Narrator is not available by default after installation. On an affected system, the audio service is also disabled by default.
Database applications might not be able to initialize a database and fail with either a stack overflow or insufficient privileges error when the database is located on an SMB volume.
Shielded VMs running Linux do not boot because the loader (LSVMLoad) waits for a passphrase for the boot partition.
In the Nano SKU, creating or modifying environment variables by using setx will fail. This is because setx requires the HKCU\Environment\ to be present by default. To fix this issue, change where this variable is stored in the registry, or add the expected registry path before you execute a setx command. To specify that the variable be set for system-wide use in HKLM rather than in HKCU, which is the default, add the /M switch to a setx command. To add the expected registry path, run reg add HKCU\Environment before executing a setx command.