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Windows

Windows Server guides and tools: Active Directory, Group Policy, RDS, WSUS, DHCP, DFS, Intune and PowerShell for Windows Server 2019–2025. Looking for Exchange Online, Entra ID or Microsoft 365 admin? See the Microsoft 365 guides.

Desktop Shortcut Group Policy: 4 Ways to Deploy Shortcuts

Put intranet, file share and application shortcuts on Windows 11 desktops with Group Policy Preferences, copied .lnk files, PowerShell or Intune, target them per department and remove them cleanly.

September 30, 2026

Deploy Software with Group Policy: MSI Install, Upgrade and Removal

Install MSI packages on domain computers with Group Policy Software Installation: prepare the distribution share and permissions, choose assign or publish, apply MST transforms, handle upgrades and removal, and know when a startup script, scheduled task or Intune is the better tool.

September 30, 2026

Screen Lock Group Policy: Lock Windows 11 After Inactivity the Right Way

Lock idle Windows 11 and Windows Server sessions automatically with the machine inactivity limit, password-protected screen saver, power and wake settings, dynamic lock or Intune, and keep meeting rooms and kiosks as controlled exceptions.

September 30, 2026

Default Browser Group Policy: Set Chrome, Edge or Firefox on Windows 11

Make Chrome, Edge or Firefox the default browser on every domain computer with a default associations XML file, choose a PDF handler, understand when Windows applies it, deploy the same file through Intune and avoid unsupported UserChoice scripts.

September 30, 2026

Set the Edge and Chrome Homepage with Group Policy: Complete Guide

Configure the home page, startup pages, Home button and new tab page for Microsoft Edge and Google Chrome with Group Policy, registry values or Intune, choose between mandatory and recommended policies, and add Firefox with the same approach.

September 30, 2026

Install Active Directory on Windows Server 2025: New Forest Step by Step

Build a new Active Directory forest on Windows Server 2025: prepare the server, add the AD DS role, promote with PowerShell or Server Manager, then configure DNS, sites, OUs and health checks.

September 30, 2026

RAID Calculator

Visual RAID calculator for RAID 0, 1, 5, 6, 10, 50, 60, ZFS RAIDZ1 to RAIDZ3 and Synology SHR: mixed disk sizes, hot spares, usable space in TB and TiB, rebuild time, speed and a plain-English verdict for each level.

September 29, 2026

IP Address Converter

Convert an IPv4 address between dotted decimal, integer, hexadecimal and binary, and see its IPv4-mapped IPv6, 6to4, NAT64 and reverse-DNS forms.

September 29, 2026

IP Subnet Calculator (IPv4 CIDR)

Visual IPv4 subnet calculator: enter an address with a prefix or mask to see the network, broadcast, usable host range, masks, a bit-by-bit view, where the subnet sits in its parent block and how to split it.

September 29, 2026

TCP Ping (Port 80/443 Latency)

Measure connection time to a host on port 443 or 80 with four TCP handshakes — works even where ICMP ping is blocked by firewalls.

September 29, 2026

What Is My IP Address?

See your public IP address as servers see it, with reverse DNS, network owner and country — useful for firewall whitelisting in CSF, cPHulk, Imunify360 or cloud security groups.

September 29, 2026

IPv6 Subnet Calculator

Expand and compress IPv6 addresses, find the network, first and last address of any prefix, count /64 subnets and build the ip6.arpa PTR name.

September 29, 2026

Free website test

Is your website set up right?

Check SSL, security headers, redirects, robots.txt, sitemap, llms.txt and security.txt in one test. It takes about 30 seconds.