Understand, diagnose and solve IT problems.
Free tools, clear definitions, ready-to-use scripts and tested procedures for individuals, technicians and small businesses.
BAOI, now available directly on your Windows workstation.
System and network diagnostics, repairs, software, scripts and intervention logs in one application designed for technicians.
Are your essential protections really in place?
Answer 6 quick questions about administrator accounts, MFA, backups, updates, email and business continuity.
The result is calculated locally in your browser.
Are administrator accounts named and separate from everyday user accounts?
Is MFA enabled for sensitive, cloud and administrator access?
Do you have independent backups, and have you tested a restore recently?
Are Windows, servers, applications and network devices updated regularly?
Is email protected against spoofing and phishing (SPF, DKIM, DMARC, filtering)?
Do you have a clear procedure for a major incident or outage?
Choose what you need.
You do not need to know the exact technical term: start with what you want to do.
Describe the symptom and access the most relevant checks.
Start diagnosis → 02Find a toolCalculators, generators, network, DNS and HTTP analysis, and technical tools.
Explore tools → 03Explore a technologyFortiGate, Windows, Microsoft 365, VMware, Linux, networking and more.
View technologies → 04Document an interventionCheat sheets, checklists, templates and ready-to-use documentation.
Open resources →One entry point for each environment.
Diagnostics, commands, collection tools and cheat sheets grouped into dedicated centers.
VPN, routing, policies, SD-WAN and debugging.
Open center → WSWindows ServerServices, AD, DNS, events, storage and RDP.
Open center → M365Microsoft 365Exchange, Entra, authentication, licensing and email.
Open center → NETNetworking & Wi-FiIP, VLAN, DHCP, DNS, Wi-Fi, routing and connectivity.
Open center → VMVirtualizationVMware, Proxmox, Hyper-V, storage and snapshots.
Open center → SECCyber IncidentCompromised accounts, malware, access and first-response actions.
Open center →The right tools to get results faster.
IT explained without losing technical accuracy.
Start with a simple definition, then explore technical details, practical examples and related resources.
network-diagnostic.ps1PS C:\Tools> .\Network-Diagnostic.ps1
[1/4] Network adapter ...... OK
[2/4] Gateway .............. OK
[3/4] DNS resolution ....... OK
[4/4] Internet access ...... OK
Diagnostic complete.
No incident detected.Resources you can use immediately.
An IT problem? Start from the right entry point.
Use the website to understand a problem and find a method, or use BAOI directly on a Windows workstation.