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Windows Server Notes

Overview

This document contains beginner-friendly Windows Server notes for IT support, help desk, desktop support, and junior system administrator practice.

Windows Server is commonly used to manage users, computers, permissions, file sharing, authentication, policies, and business network services.

Common Windows Server Roles

Role Purpose
Active Directory Domain Services Manages users, computers, groups, and authentication
DNS Server Resolves names to IP addresses
DHCP Server Assigns IP addresses to devices automatically
File and Storage Services Hosts shared folders and file permissions
Print Services Manages shared printers
Group Policy Management Applies settings to users and computers

Active Directory Domain Services

Active Directory Domain Services, also called AD DS, is used to manage domain users, computers, groups, and access.

Common Active Directory tasks include:

  • Creating user accounts
  • Resetting passwords
  • Unlocking accounts
  • Disabling accounts
  • Creating security groups
  • Adding users to groups
  • Moving users between Organizational Units
  • Joining computers to the domain

Organizational Units

Organizational Units, or OUs, help organize Active Directory objects.

Example OU structure:

company.local
├── Users
│   ├── HR
│   ├── Sales
│   └── IT
├── Computers
│   ├── Desktops
│   └── Laptops
└── Servers

OUs are useful because Group Policy settings can be applied to them.

Domain Controller

A domain controller is a server that authenticates users and manages domain resources.

A domain controller can handle:

  • User sign-in
  • Password validation
  • Group membership
  • Group Policy application
  • Directory services

DNS Basics

DNS stands for Domain Name System. It helps computers find resources by name instead of IP address.

Example:

fileserver01.company.local -> 192.168.1.20

Common DNS troubleshooting commands:

ipconfig /all
nslookup fileserver01
ping fileserver01

DHCP Basics

DHCP stands for Dynamic Host Configuration Protocol. It automatically gives network devices IP addresses.

DHCP can provide:

  • IP address
  • Subnet mask
  • Default gateway
  • DNS server address

Common DHCP troubleshooting commands:

ipconfig /release
ipconfig /renew
ipconfig /all

File Server Basics

A file server stores shared folders that users access over the network.

Example share path:

\\FileServer01\Sales

Access is usually managed using:

  • Share permissions
  • NTFS permissions
  • Active Directory security groups

Group Policy Basics

Group Policy allows administrators to apply settings to users and computers.

Examples:

  • Password policy
  • Drive mappings
  • Desktop restrictions
  • Printer deployment
  • Security settings
  • Windows Update settings

Group Policy is managed using:

Group Policy Management Console

Common Windows Server Tools

Tool Purpose
Server Manager Manage server roles and features
Active Directory Users and Computers Manage users, groups, and computers
Group Policy Management Manage Group Policy Objects
Event Viewer Review system and application logs
Services Start, stop, and review services
Computer Management Manage disks, users, shares, and events
DNS Manager Manage DNS zones and records
DHCP Manager Manage DHCP scopes and leases

Useful Commands

Check IP Configuration

ipconfig /all

Test Network Connectivity

ping 8.8.8.8
ping fileserver01

Test DNS Resolution

nslookup google.com
nslookup fileserver01

View Current User

whoami

View User Groups

whoami /groups

Force Group Policy Update

gpupdate /force

View Applied Group Policy

gpresult /r

Common Support Scenarios

Scenario Possible Check
User cannot sign in Check account status and password
User cannot access shared folder Check security group membership
Computer cannot join domain Check DNS and network connectivity
Group Policy not applying Run gpupdate /force and gpresult /r
Printer not available Check printer mapping or print server
User gets access denied Review NTFS and share permissions
Device has no network access Check IP address, gateway, and DNS

Basic Troubleshooting Process

A simple troubleshooting process:

  1. Identify the issue.
  2. Confirm the affected user or device.
  3. Check recent changes.
  4. Reproduce the problem, if possible.
  5. Review account, network, and permission settings.
  6. Test a fix.
  7. Confirm with the user.
  8. Document the result.

Best Practices

  • Use clear naming standards.
  • Document all changes.
  • Follow least privilege access.
  • Use groups instead of direct user permissions.
  • Keep servers updated.
  • Review event logs when troubleshooting.
  • Test changes before closing tickets.
  • Escalate when the issue affects multiple users or critical systems.

Skills Demonstrated

  • Windows Server fundamentals
  • Active Directory basics
  • DNS and DHCP awareness
  • File server support
  • Group Policy basics
  • Troubleshooting commands
  • IT support documentation