KB5016693 for Windows Server 2022: A closer look

The new Insider Preview Build ( KB5016691 ) for the Windows 11 Release Preview channel isn’t the only new software Microsoft is releasing today.

Microsoft has also released a cumulative update for Windows Server 2022 OS in the form of build KB5016693 (build 20348.946), which is actually the C version.

You should know that this new software brings improvements to Microsoft Defender for Endpoint, file compression, and storage replicas.

Additionally, we’re also looking at some long-overdue fixes in TPM, BitLocker, and more, which you’ll see below.

What’s new in Windows Server 2022 build 20348.946?

Let’s start by saying that the tech company says there are absolutely no known issues with this release, which is an added bonus.

However, after testing the new Insider builds for Windows Server 2022, users may stumble upon one.

Let’s take a closer look at the release notes and discover what this new software version brings:

• Enhanced Microsoft Defender for Endpoint’s ability to identify and block ransomware and advanced attacks.
• If you have configured Server Message Block (SMB) compression, files are compressed regardless of their size.
• Improve storage replication that occurs over low-bandwidth or congested wide area networks (WANs).
• Resolved an issue that prevented the Start Task API from working as expected for some applications.
• Resolved an issue that caused Kerberos authentication to fail. The error is 0xc000009a (STATUS_INSUFFICIENT_RESOURCES "Insufficient system resources to complete the API"). This occurs when a client uses Remote Desktop Protocol (RDP) to connect to a device that has Remote Credential Guard enabled.
• Solved the problem that caused ServerAssignedConfigurations to be empty in some complete configuration solutions.
• Addresses an issue that prevents Private Virtual LANs (PVLANs) from providing tenant and virtual machine (VM) isolation.
• Addresses an issue where clients experience long delays in obtaining Internet Protocol version 6 (IPv6) addresses in IPv6 environments.
• Fixes a known issue that causes Microsoft Edge to stop responding when you use IE mode. This problem also prevents you from interacting with the dialog box.
• Resolved an issue that could generate error 0x1E when you shut down or restart the device.
• Resolved an issue affecting Microsoft Store app installation when control flow enforcement is enabled.
• Resolved an issue that prevents virtualized App-V Microsoft Office applications from opening or causes them to stop working.
• Addresses an issue that may cause Windows Hello for Business certificate deployment to fail in certain circumstances after resetting the device.
• Resolved an issue that slowed down BitLocker performance.
• Resolves an issue that may prevent Windows from taking ownership of a Trusted Platform Module (TPM) device.
• Resolves an issue that may cause Windows devices using BitLocker to stop working.
• Resolved an issue that caused the Policy Result Set tool ( Rsop.msc ) to stop working when processing 1,000 or more "File System" security settings.
• Resolved an issue that could cause Remote Desktop session licensing to display a 60-minute disconnect warning after reconnecting.
• Addresses an issue that causes the Settings app to stop working on a server domain controller (DC) when accessing the Privacy > Activity History page question .
• Resolved an issue that prevented the device from receiving offers from Windows Update for the same extended driver when an extended driver was installed without the base driver.
• Resolved a race condition that caused the Local Security Authority Subsystem Service (LSASS) to stop working on an Active Directory domain controller. This issue occurs when LSASS handles Lightweight Directory Access Protocol (LDAP) requests over Transport Layer Security (TLS) that cannot be decrypted. The exception code is 0xc0000409 (STATUS_STACK_BUFFER_OVERRUN).
• Resolved an issue that affects using a read-only domain controller (RODC) to look up a non-existent security ID (SID) from the local domain. The lookup unexpectedly returned a STATUS_TRUSTED_DOMAIN_FAILURE error instead of STATUS_NONE_MAPPED or STATUS_SOME_MAPPED.
• Resolved an issue that affects input and output in the Storport driver and may cause the system to stop responding.

What should I do if the installation of KB5016691 fails?

1. Press Win I to access Settings.
2. Select the System category and click Troubleshoot.
3. Press the Other Troubleshooting button.
4. Press the Run button next to Windows Update.

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