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13Inspect Windows Network Configuration with ipconfig
The ipconfig command displays Windows TCP/IP configuration. It can show addresses, subnet masks, default gateways, DNS servers, and DHCP details that help diagnose connectivity problems. Its release, renew, and flush options change network state and should be used only when the symptom justifies them.
View ArticleHow to Refresh DNS and Restart Windows
Use this article to perform the VPN workflow's bounded DNS refresh. It clears only the local Windows DNS resolver cache with ipconfig /flushdns, then restarts Windows and retests the VPN. It does not reset Winsock or TCP/IP and does not release or renew network addressing.
View ArticleHow to Check Network Adapter Status
This article supports the Check Network Adapter Status step in the VPN Connectivity Troubleshooting (Windows) workflow. It explains how to identify the status of physical and VPN network adapters without making unnecessary configuration changes.
View ArticleHow to Reinstall VPN Client
Use this article when reinstalling a VPN client is an appropriate troubleshooting step for a Windows device. It covers safely removing the existing application, restarting Windows, reinstalling the VPN client from an approved source, and recording the result before continuing troubleshooting.
View ArticleHow to Check Security Software for VPN Conflicts
This draft supports the “Check Security Software for VPN Conflicts” step in the VPN Connectivity Troubleshooting (Windows) workflow. It explains the intended check, safe execution, and the evidence to capture before continuing.
View ArticleHow to Configure Security Software for the VPN
Use this article when security software appears to be interfering with a VPN connection on a Windows device. It covers reviewing firewall or security-software settings, creating an approved exception or allow rule for the VPN when appropriate, keeping security protections enabled, and verifying the VPN connection afterward. On managed devices, follow organizational policy or contact IT support before changing security settings.
View ArticleHow to Identify and Research the VPN Error
This draft supports the “Identify and Research the VPN Error” step in the VPN Connectivity Troubleshooting (Windows) workflow. It explains the intended check, safe execution, and the evidence to capture before continuing.
View ArticleChecking an Ethernet Connection
A wired Ethernet connection depends on a secure physical connection between the computer and the network device. A loose, damaged, or disconnected cable can prevent the computer from reaching the network.
View ArticleHow to Restart the Network Equipment
This draft supports the “Restart the Network Equipment” step in the Internet Connection workflow. It explains the intended check, safe execution, and the evidence to capture before continuing.
View ArticleHow to Inspect Security and Filtering Evidence
Help a reviewer support the Inspect Security and Filtering Evidence step without changing the workflow automatically.
View ArticleHow to Restart Router/Modem
Help a reviewer support the Restart Router/Modem step without changing the workflow automatically.
View ArticleHow to Compare Browser and Website Access
Help a reviewer support the Compare Browser and Website Access step without changing the workflow automatically.
View ArticleReading Windows Performance in Task Manager
Task Manager provides a live view of the applications and Windows processes using processor, memory, disk, and network resources. The goal is to observe sustained patterns before making a change—not to end unfamiliar processes.
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