31 guides
VHD vs VHDX for Hyper-V: size limits, corruption resistance, performance, and when each format matters. Plus how to convert VHD to VHDX with PowerShell.
Set Out of Office for another user in Microsoft 365 as an admin: Exchange admin center, Set-MailboxAutoReplyConfiguration PowerShell, scheduling, and internal vs external replies.
Configure Windows Defender Firewall rules on Windows Server with the GUI and PowerShell New-NetFirewallRule: profiles, inbound/outbound rules, scoping, and testing.
Set up Hyper-V Replica the right way: configure the Replica server, enable replication, run test and planned failover, and fix the errors that trip people up.
Install Ubuntu in Hyper-V the right way: build a Generation 2 VM, handle Secure Boot with the right template, enable Enhanced Session, and fix the resolution.
Configure Teams meeting policies in the Teams admin center and PowerShell: control recording, lobby and anonymous join, who can present, content sharing, and assign policies to users.
Archive a team to make it read-only, then restore it later, and recover a deleted team within the 30-day window using the Teams admin center, Microsoft 365 admin center, or PowerShell.
Understand Microsoft 365 admin roles: what Global, Exchange, Teams, User, and Helpdesk admins can do, least privilege, and how to assign roles safely.
Create mail flow rules (transport rules) in Exchange Online: add disclaimers, route mail, block attachments, and warn on external senders, with EAC and PowerShell steps.
Move Hyper-V VMs between hosts with Export and Import. Learn the GUI steps, Export-VM and Import-VM in PowerShell, the three import types, and how to avoid ID conflicts.
Add an email alias in Microsoft 365 using the admin center or PowerShell. Learn aliases vs primary address, sending from an alias, and the proxy address rules.
Enable Hyper-V on Windows 11 Pro using Optional Features, PowerShell, or DISM. Check the hardware requirements, fix a greyed-out checkbox, and build your first VM.
Clear the Microsoft Teams cache on Windows for both new Teams and classic Teams. Find the exact cache paths, quit the right process, and fix stuck loads and sign-in loops.
Shared mailbox vs user mailbox in Microsoft 365: licensing, sign-in, sending, storage limits, and when to convert one to the other. A practical admin comparison.
Step-by-step guide to installing the Hyper-V role on Windows Server 2022 with Server Manager or PowerShell, including hardware checks, virtual switches, and first VM.
Enable the Active Directory Recycle Bin and recover deleted users, groups, and OUs with Restore-ADObject or ADAC. Learn the prerequisites and why enabling is permanent.
Control who can create teams in Microsoft Teams by restricting Microsoft 365 group creation to a security group with Entra PowerShell, plus naming and expiration policies.
Set up email forwarding in Microsoft 365 the right way: mailbox forwarding, inbox rules, deliver-and-forward, internal vs external, and why external forwarding may be blocked.
Install the DHCP role on Windows Server, authorize it in Active Directory, create a scope, set options, add reservations and exclusions, and configure DHCP failover.
Assign phone numbers to Teams users: the Teams Phone license you need, getting or porting numbers, Set-CsPhoneNumberAssignment, number types, and emergency address.
Assign Microsoft 365 licenses the right way: admin center direct vs group-based licensing, usage location, PowerShell and Graph, license conflicts, and clean removal.
Find locked-out AD accounts fast with Search-ADAccount, trace the lockout source using event ID 4740 on the PDC Emulator, and fix the cause with the right tools.
Force AD replication on demand with repadmin /syncall /AdeP, replicate now in Sites and Services, and verify the result with repadmin /replsummary and /showrepl.
Pillar Guide
Step-by-step guide to installing the AD DS role on Windows Server 2022, promoting the first domain controller, setting functional levels, DNS, and verifying with dcdiag.
Create an external virtual switch in Hyper-V the right way. Switch types compared, Hyper-V Manager and New-VMSwitch steps, and how to avoid losing host network.
Create a shared mailbox in Microsoft 365 the right way: admin center and Exchange admin center steps, Full Access vs Send As permissions, and the 50GB license rule.
Fix truncated PowerShell output in the console, text files, and reports with Format-Table -Wrap, Out-File -Width, CSV exports, and FormatEnumerationLimit.
Learn what still works for NIC teaming in Windows 10, how to use New-NetSwitchTeam, when to use Windows Server LBFO instead, and how to remove a team safely.
Pillar Guide
Learn the 5 FSMO roles, when to transfer them gracefully vs seize them after a DC failure, and how to do both with ntdsutil and PowerShell — safely.
Set up NIC Teaming on Windows Server 2025 with PowerShell. Learn when to use LBFO, when Hyper-V needs SET, and how to avoid common network mistakes.
Learn the real Windows 11 NIC teaming options, why old PowerShell commands fail, how to check NetLbfo and NetSwitchTeam, and what to use instead.