Das U-Boot's DHCP code contains a subtle but dangerous buffer overread that has been tracked as CVE-2024-42040: an attacker on the local or adjacent network can feed crafted DHCP responses that cause net/bootp.c to copy memory beyond the received packet, leaking between 4 and 32 bytes of host...
Fix Ethernet Shows 'Unidentified Network' (No Internet) in Windows 10/11
Difficulty: Intermediate | Time Required: 20 minutes
When Windows shows “Unidentified network” on Ethernet, it usually means your PC connected to something electrically (link is up), but Windows couldn’t get a valid IP...
Windows networks rely on well‑configured DHCP to keep devices moving and services reachable; this guide walks through a practical, production‑grade approach to installing, authorizing, designing, securing, and maintaining a Windows DHCP server — including PowerShell automation, DNS integration...
A serious compatibility change in Windows 11’s recent updates has left many IT teams scrambling — and, according to recent reporting, a Microsoft staffer appears to have indicated the behavior may not be reverted. The issue touches DHCP, WinHTTP/WPAD behavior and a surprising dependency that can...
Windows network administrators know that the smooth operation of their infrastructure often hinges on robust and flexible IP address management. The Dynamic Host Configuration Protocol (DHCP) is the critical service tasked with assigning and managing these IP configurations, including not just...
For many users, custom DNS settings are the unsung heroes that help ensure faster, more reliable, and sometimes even safer web browsing. However, a persistent and puzzling problem has been noted across Windows 11 (and 10) systems: carefully chosen DNS configurations often revert to defaults or...
custom dns
dhcp
dns
dns cache
dns reset
fast startup
group policy
ip configuration
network driver
network issues
network profile
network reset
network security
network settings
powershell
registry tweaks
tech support
vpn interference
windows 11
windows networking
Here is a summary of what's new in Windows 11 Build 26100.4482 (KB5060829), recently released to the Release Preview Channel for Insiders running Windows 11 version 24H2:
Key Changes and Features
1. App Defaults (EEA only)
Improvements to default browser selection for users in the European...
build 26120
default browser
default programs
dhcp
file system fixes
imaging
insider feedback
microsoft
os improvements
release preview
start menu
tech updates
vhd
windows 11
windows hello
windows insider
windows recovery
windows setup
windows update
winre
Microsoft’s June 2025 Patch Tuesday update was meant to address dozens of vulnerabilities and enhance system stability, but Azure and hybrid on-premises administrators quickly discovered a critical side effect: DHCP services on multiple generations of Windows Server began failing, resulting in...
cybersecurity
dhcp
enterprise it
it administration
microsoft support
network
network stability
outage
patch
patch management
security updates
support bulletin
troubleshooting
vulnerabilities
windows server
windows server 2016
windows server 2019
windows server 2022
windows server 2025
windows update
A new wave of concern has swept through the Windows Server administrator community following the rollout of June 2025’s Patch Tuesday security updates, as reports and Microsoft’s own advisories reveal a widespread and disruptive issue with DHCP Server functionality. For enterprises and IT...
business continuity
community
dhcp
enterprise networking
it support
microsoft security
network infrastructure
network outages
network resilience
network security
patch
patch management
security updates
server management
server stability
support solutions
troubleshooting
windows server
windows update
Here’s a detailed summary regarding the June 2026 Windows Server updates that may cause DHCP Server failures, along with root cause and mitigation advice:
What happened with the June 2026 server updates and DHCP Server?
Summary
The June 2026 Windows Server patch cycle included cumulative...
backup
cve-2024-38236
dhcpdhcp service disruption
incident response
it admin tips
it infrastructure
microsoft patch
network monitoring
network outage prevention
network security
network segmentation
patch management
patch rollback
server issues
server security
vulnerabilities
windows server
windows update
For IT administrators managing modern networks, few issues are more disruptive than a failed Dynamic Host Configuration Protocol (DHCP) server. This essential component assigns IP addresses to devices, enabling everything from basic connectivity to secure access to critical systems. In early...
dhcpdhcp server failure
hotfix
it admin tips
june 2025 update
kb5060526
kb5060531
kb5060842
kb5061010
microsoft patch
microsoft support
network
patch
patch rollback
security updates
server management
service disruption
windows server
windows vulnerabilities
The latest cumulative updates released in Microsoft’s June 2025 Patch Tuesday have triggered significant disruptions for organizations relying on Windows Server’s DHCP functionality. Only days after these highly anticipated security patches rolled out, IT administrators worldwide began reporting...
best practices
cybersecurity risks
dhcp
enterprise it
hosting reliability
infrastructure stability
outage
patch
patch management
patch testing
reboot
rollback
security
security updates
server issues
vulnerability
windows bugs
windows server
windows update
Patch Tuesday updates have long been a cornerstone of Microsoft’s approach to maintaining the security and reliability of its Windows operating systems. Each month, administrators and end users alike anticipate these releases, trusting that the latest round of cumulative updates will address...
community
critical infrastructure
cumulative update
dhcp
hyper-v
it infrastructure
network issues
network management
network reliability
network security
outage
patch
patch management
server bugs
server patch risks
server security
system administration
windows server
windows update
In the world of Windows Server administration, few services are as mission-critical—or as overlooked until they fail—as the Dynamic Host Configuration Protocol (DHCP). The ability for hundreds or thousands of devices to automatically receive their IP configuration, renew their network leases...
dhcp
enterprise networking
network infrastructure
network outages
network reliability
network security
patch management
recovery
security patch
server bugs
server crashes
server management
troubleshooting
vulnerabilities
windows server
windows server 2016
windows server 2019
windows server 2022
windows update
Microsoft's June 2025 security updates have introduced a significant issue affecting the Dynamic Host Configuration Protocol (DHCP) Server service on various Windows Server versions. Administrators have reported that post-update, the DHCP service intermittently freezes, leading to disruptions in...
dhcp
enterprise it
ip address management
it infrastructure
microsoft
network
network admin tips
network management
network service issues
security patch
security updates
server management
system disruption
troubleshooting tips
update issues
windows server
windows server 2016
windows server 2019
windows server 2022
windows server 2025
Microsoft has released an out-of-band update, KB5061977, for Windows 11, version 24H2, elevating the OS build to 26100.4066. This update addresses critical issues that emerged following the May 2025 Patch Tuesday updates.
Key Fixes and Improvements:
Blue Screen Error (0x18B...
authentication failure
blue screen
bug fixes
dhcp
extended security updates
file system
image display errors
internet access
june 2025 update
kb5061977
network issues
out-of-band update
patch
secure_kernel_error
security
system stability
windows 11
windows build 26100.4066
windows hello
windows update
Configuring TCP/IP settings in Windows 11 is a foundational task both for new home network enthusiasts and seasoned IT professionals managing advanced environments. Mastering these settings is essential for troubleshooting connectivity problems, setting up devices with precise network...
dhcp
dns
home network
ip address management
ip conflict
it professional tips
network issues
network management
network optimization
network security
network settings
network setup
network stability
port forwarding
router configuration
static ip
tcp/ip
windows 11
windows networking
windows networking commands
One of the hottest debates in the Windows community today revolves around a simple question: Are you ready to upgrade from Windows Server 2019 to 2022, or is sticking with the tried-and-true 2019 version still the best play for your business? While both servers pack a serious punch when it comes...
cloud computing
container management
dhcp
network security
upgrade guide
virtualization
vlan configuration
watchguard firewall
windows server
windows server 2019
windows server 2022
Microsoft has released its February 2025 Patch Tuesday security updates, addressing a total of 55 vulnerabilities across various Windows products. Among these, 3 are classified as critical, and 4 are zero-day vulnerabilities, with 2 actively exploited in the wild.
Critical Vulnerabilities...
Have you ever unraveled the mystery behind that little string of numbers connecting your devices to the vast vortex of the internet? Ah, the TCP/IP settings—a digital passport that determines how your Windows machine communicates on the network stage! Whether you're troubleshooting connectivity...