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Winsage
October 20, 2026

Microsoft Confirms October Windows Updates Can Break Exchange Server Email Services

Microsoft has acknowledged that the Windows Server security updates released on October 13, 2026, may disrupt Exchange Server email services, affecting on-premises systems running Exchange Server 2016, 2019, and the Subscription Edition. The disruptions can include blocked webmail access and undelivered messages. Microsoft has identified four specific Windows updates linked to these issues: KB5126646 for Windows Server 2025, KB5126655 for Windows Server 2022, KB5126651 for Windows Server 2019, and KB5126868 for Windows Server 2016. Symptoms may include inability to log into Outlook on the web, messages stuck in the Outbox, increased mail queues, and failed mailbox access. A critical error to monitor is MapiExceptionMdbOffline, and affected systems may log Event ID 1006. The October updates introduced a default limit of 512 simultaneous Endpoint Lookup calls, which can be exceeded under heavy Exchange workloads. Microsoft has provided a registry workaround to increase this limit and suggests monitoring for recurring failures. The disruption coincides with the end of the final paid update period for Exchange 2016 and 2019, with future updates limited to the Subscription Edition.
How to stop audio from auto-playing on Android Auto
AppWizard
October 20, 2026

How to stop audio from auto-playing on Android Auto

Many drivers experience unexpected audio playback when starting their vehicle with Android Auto, as the last listened-to content resumes at the previous volume. To stop this autoplay, users can disable the "Start music automatically" option in Android Auto's settings under Settings > Connected devices > Android Auto. If this does not resolve the issue, it may be related to Bluetooth interactions. Users are advised to remove their phone from the car's Bluetooth memory and reconnect via USB. Additionally, Bluetooth devices paired with the phone can influence autoplay behavior, and users should test different devices to identify the cause. Keeping Spotify and device software updated may help, but a universal solution is not guaranteed. If necessary, users can remove Spotify from Android Auto, though this will limit access to the app through the car's display.
Why Windows 11 still ships with Windows 95’s memory manager hidden inside it
Winsage
October 19, 2026

Why Windows 11 still ships with Windows 95’s memory manager hidden inside it

Windows 11 includes a compatibility feature called EmulateHeap, which allows legacy applications to access Windows 95’s memory management system. This feature is present in the Windows 11 26H2 version and enables users to run older applications that depend on the original memory manager. Microsoft modified Windows 95's memory management specifically for the game SimCity, creating a workaround that prevented memory from being freed immediately. EmulateHeap was developed to address compatibility issues for various applications that relied on Windows 95's memory management quirks. It works by redirecting an application’s heap calls to mimic the behavior of Windows 95. EmulateHeap is part of the Compatibility Administrator tool within the Windows Assessment and Deployment Kit (ADK), which supports Windows 11 26H2. Users can locate EmulateHeap in the Compatibility Administrator by creating a new database and searching for compatibility fixes. Despite this support, some users have reported issues with certain games after updates. Microsoft continues to support Windows 95’s heap manager for select older applications but has discontinued support for others, like 3D Pinball, due to technical limitations.
Android Auto can be used outside of your car: Here's how
AppWizard
October 17, 2026

Android Auto can be used outside of your car: Here’s how

A spare tablet, a USB cable, and a small investment can turn a workspace or kitchen counter into a hub for Android Auto, allowing users to repurpose older devices. To set up Android Auto without a car, you need an Android phone running Android 11 or newer, a spare Android tablet or phone, and a data-capable USB cable. A receiver app, such as Open Headunit or Headunit Reloaded, must be installed on the secondary device. The setup involves connecting the tablet to the phone via USB, selecting Android Auto in the phone's USB options, and following prompts to grant permissions. Android Auto is designed for driving, simplifying interactions with larger controls and allowing voice commands for messages. It can manage smart home devices through Google Home but may not always function reliably. A spare tablet can be positioned conveniently for essential tasks, but trade-offs include limited app availability and the need for the primary phone to remain connected.
Windows/Exchange Server October 2026 issue: Analysis and Workarounds
Winsage
October 17, 2026

Windows/Exchange Server October 2026 issue: Analysis and Workarounds

On October 13, 2026, Microsoft released security updates for Windows Server that unintentionally affected Microsoft Exchange Server, causing significant disruptions approximately 24 hours after installation. Users reported issues such as database services failing, resulting in unresponsive email and Outlook Web Access access. Microsoft acknowledged the problem and is investigating it. The updates targeted supported Windows Server and Microsoft Exchange versions 2016, 2019, and SE. By October 15, reports of severe issues, including the inability to connect to the server and halted email delivery, emerged. The error message associated with the disruption is "MapiExceptionMdbOffline: Unable to make connection to the server. (hr=0x80004005, ec=1142)." Despite these issues, the Exchange Admin Center still showed databases as connected and mounted. Unofficial workarounds, including a registry edit and a PowerShell script, have been suggested to mitigate the problems.
Networking problems after the October 2026 Windows update? NTLM might be to blame
Winsage
October 16, 2026

Networking problems after the October 2026 Windows update? NTLM might be to blame

The Windows security update scheduled for October 2026 will block requests using the outdated NTLMv1 security protocol. The BlockNtlmSSO registry value governs this change; if unset, Windows will default to Enforce mode, blocking NTLMv1-derived credentials. Administrators can temporarily set this value to 0 to allow NTLMv1, but Microsoft warns this reduces security. The deprecation of NTLM was first announced in 2024, with audit logs for NTLMv1 usage introduced in August 2025. NTLM was first introduced in 1993, and while it has been removed from Windows 11 24H2 and Windows Server 2025, traces remain in certain configurations. Credential Guard must be enabled, and the BlockNtlmSSO value must not be set to Audit mode for NTLMv1-derived credentials to be allowed. Microsoft aims to eliminate NTLM entirely, and the upcoming update signals the need for organizations to accelerate their transition away from NTLMv1.
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