802.1x

  1. Kerberos CVE-2025-26647: Audit-to-Enforce rollout and NTAuth changes

    Microsoft’s April 2025 Kerberos protections — delivered to close CVE‑2025‑26647 — introduced a new operational knob, AllowNtAuthPolicyBypass, that was intended to let administrators audit then enforce stricter certificate-based authentication behavior on domain controllers; the rollout fixed a...
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    • 802.1x altsecid audit mode ca certificatebasedauth cumulative update cve-2025-26647 domain controller enforcemode group policy identity security kb5057784 kerberos ntauth store pki pkinit skiing smart card sso windows server
    • Replies: 0
    • Forum: Windows News

  2. Strong Certificate Mappings on Windows DCs: Prepare for Sept 2025 Deadline

    Microsoft will remove support for the StrongCertificateBindingEnforcement registry key on Windows domain controllers on September 10, 2025, forcing a permanent switch to stricter, strong certificate-to-account mappings that will break legacy certificate-based authentication setups unless...
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    • 1.3.6.1.4.1.311.25.2 802.1x active directory ad cs altsecurityidentities always on vpn certificate-based authentication domain controller kerberos ndes pki scep security hardening sid extension strongcertificatebindingenforcement vpn windows server x509 x509issuerserialnumber
    • Replies: 0
    • Forum: Windows News

  3. CVE-2025-55229: Windows certificate spoofing explained for admins

    Urgent: What CVE-2025-55229 Means for Windows — A Deep Dive for Admins and Power Users By WindowsForum.com Staff Reporter — August 21, 2025 Summary — quick take Microsoft has published a vulnerability tracked as CVE-2025-55229 that affects Windows certificate handling: an improper verification...
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    • 802.1x authenticode certificate code signing cve-2025-55229 cybersecurity edr mitm network security patch management pki schannel siem threat hunting tls vpn vulnerability windows wintrust
    • Replies: 0
    • Forum: Security Alerts

  4. Windows 10 devices can't connect to an 802.1X environment

    Describes an issue that prevents Windows 10 devices from connecting to a WPA-2 Enterprise network that's using certificates for server-side or mutual authentication. Occurs after you apply the Windows 10 November update. A resolution is provided. Continue reading...
    • News
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    • 802.1x authentication certificate connectivity enterprise network resolution update windows 10 wpa2
    • Replies: 0
    • Forum: Knowledge Base (KB)

  5. Windows 7 does not connect to an IEEE 802.1X-authenticated network if an invalid certificate...

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    • News
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    • 802.1x authentication certificate connectivity error network support troubleshooting windows 7
    • Replies: 0
    • Forum: Knowledge Base (KB)

  6. 802.1X authentication fails after you connect a computer to a network in Windows 7 SP1 or Windows Se

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    • 802.1x authentication connection network security sp1 troubleshooting windows 7
    • Replies: 0
    • Forum: Knowledge Base (KB)

  7. Roaming Profile may not work properly with 802.1x network

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    • News
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    • 802.1x connectivity network issues profile management roaming profiles windows networking
    • Replies: 0
    • Forum: Knowledge Base (KB)

  8. 802.1x user authentication failes when a RDS connection comes in

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    • 802.1x authentication authentication flaws connection issues microsoft support network security rds connection remote desktop troubleshooting windows issues
    • Replies: 0
    • Forum: Knowledge Base (KB)

  9. 802.1X authentication fails on a Windows 7-based or Windows 2008 R2-based computer that has multiple

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    • 802.1x authentication computer connectivity multiple issues network security troubleshooting windows 2008 windows 7
    • Replies: 0
    • Forum: Knowledge Base (KB)

  10. 802.1X authentication fails on a Windows 7-based or Windows 2008 R2-based computer that has multiple

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    • News
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    • 802.1x authentication connectivity multiple devices network troubleshooting windows 2008 r2 windows 7
    • Replies: 0
    • Forum: Knowledge Base (KB)

  11. 802.1X authentication fails on a Windows 7-based or Windows 2008 R2-based computer that has multiple

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    • News
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    • 802.1x authentication computer issues multiple connections network security windows 2008 r2 windows 7
    • Replies: 0
    • Forum: Knowledge Base (KB)

  12. 802.1X authentication fails after you connect a computer to a network in Windows 7 SP1 or Windows Se

    Fixes a Windows 7 SP1 or Windows Server 2008 R2 SP1 issue where 802.1X authentication fails intermittently after you connect the computer to a network that uses IEEE 802.1X authentication. This issue occurs when you set up the connection by using a... More...
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    • 802.1x authentication fixes intermittent network connection network issues sp1 windows 7 windows server
    • Replies: 0
    • Forum: Knowledge Base (KB)

  13. A computer that is connected to an IEEE 802.1x-authenticated network via another 802.1x enabled devi

    Fixes an issue in which you cannot connect a computer to an IEEE 802.1X-authenticated network through another 802.1x enabled device (such as a VOIP phone) after you resume this computer from hibernation or from sleep. This issue occurs in all Windows... More...
    • News
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    • 802.1x authentication connection device compatibility hibernation network sleep mode troubleshooting voip windows issues
    • Replies: 0
    • Forum: Knowledge Base (KB)

  14. A computer that is connected to an IEEE 802.1X-authenticated network through a NAP-enabled device do

    Fixes an issue in which you cannot connect a computer to an IEEE 802.1X-authenticated network through a NAP-enabled device after you resume this computer from hibernation or from sleep. This issue occurs in all Windows operating systems. More...
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    • 802.1x authentication connection fixes hibernation issues nap network sleep windows
    • Replies: 0
    • Forum: Knowledge Base (KB)

  15. Windows 7 may connect to a guest network instead of a corporate network

    Fixes an issue in which a computer that is running Windows 7 may connect to a guest network instead of a corporate network. This issue occurs after you deploy IEEE 802.1X wireless settings for the corporate network on the computer by using Group Policy... More...
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    • 802.1x computer fix connectivity corporate network group policy guest network network network issues wifi settings windows 7
    • Replies: 0
    • Forum: Knowledge Base (KB)

  16. Event ID 5719 is logged when you start a computer

    Describes an issue that may occur when you have a Gigabit network adapter installed in a Windows-based computer or it takes an extended time to retrieve a workign IP address, e.g. NAP or NAC or 802.1x. In this situation, event ID 5719 is logged every... More...
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    • 802.1x adapter event id gigabit ip address nac nap network security windows
    • Replies: 0
    • Forum: Knowledge Base (KB)

  17. Windows 7 may connect to a guest network instead of a corporate network

    Fixes an issue in which a computer that is running Windows 7 may connect to a guest network instead of a corporate network. This issue occurs after you deploy IEEE 802.1X wireless settings for the corporate network on the computer by using Group Policy. More...
    • News
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    • 802.1x corporate network fixes group policy guest network network wifi settings windows 7
    • Replies: 0
    • Forum: Knowledge Base (KB)
  18. Z

    Windows 7 802.1x scripting in windows 7

    Hi, I have come across a problem that I was unable to fix. I need a script that configures 802.1x authentication in windows 7 for the wired network. Windows 7 has a great improvement over XP, the netsh lan profileproperties command. it enables me to configure all settings I want to tweak...
    • Zmei
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    • 802.1x authentication command configuration netsh network scripting startup windows 7
    • Replies: 1
    • Forum: Programming and Scripting
  19. S

    Windows 7 Connecting to Secure Wireless Network Connections with Windows 7

    Depending on where your travels take you, access to wireless networks can be more or less secure. The last secure wireless network I connected to was password protected with 802.1x PEAP. The wireless network help desk has printed instructions for connecting your XP or Vista laptop, but no...
    • saitype
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    • 802.1x configuration connection instructions network peap security travel windows 7 wireless
    • Replies: 1
    • Forum: Windows Help and Support
  20. S

    Windows 7 802.1x with WPA

    I am setting up my wireless to use 802.1x. My AP is using WPA. When I confifure on my laptop, the only option for encryptiion is WEP. I have downloaded the latest drivers for the adapter, and tried to install the Windows Hotfix for WPA support (WindowsXP-KB893357-v2-x86-ENU.exe). The patch...
    • smileyalf
    • Thread
    • 802.1x adapter configuration drivers encryption hotfix network patch storage windows xp wireless wpa2
    • Replies: 1
    • Forum: Windows Networking