Windows 11 / Endpoint
Windows 11 troubleshooting: slow, Windows Update, BSOD, boot, profiles, BitLocker, drivers, network, One-In-Nation, and system repair
Windows 11 / Workstation Center
Windows 11 diagnostics for startup, updates, performance, profiles, BitLocker, drivers, networking, event logs, DISM and SFC.
Knowledge hubHome
Free tools, procedures, diagnostics, scripts, dictionary and practical resources for IT technicians, system administrators and SMEs
Command / scriptCheck BitLocker volume status
Shows the state of encryption, the method used and the presence of BitLocker protectors
Command / scriptGenerate a quick inventory of a Windows PC
Shows model, serial number, Windows, processor, memory and disks of the station
ResourceDR / BCP & Backup Plan
DR / BCP & Backup Plan — practical IT resource from IT Toolbox.
ResourcePrinters / Scan / SMB Center
Printers and Scan Center: Spooler, Drivers, Network Ports, WSD, SMB Scan, SMTP Scan-to-mail, TWAIN, WIA and d, printing servers
ResourceProxmox VE Center
Proxmox VE Center: QEMU, LXC, Cluster, quorum, Corosync, Ceph, ZFS, storage, backups, migration and network
ResourceSlow Windows Computer
Diagnose a slow Windows PC: CPU, memory, disk, boot, services, drivers, events and performance issues
IT dictionaryBitLocker Recovery Key
A BitLocker recovery key is a 48-digit numerical code that unlocks a protected Windows drive when automatic decryption fails.
IT dictionaryWindows Update for Business
an IT concept in the Windows / Windows Server domain associated with Windows Update for Business
IT dictionarygRPC
A high-performance RPC framework usually using Protocol Buffers and HTTP/2.
IT dictionaryBitLocker
Microsoft's Windows disk encryption feature.
IT dictionaryDevice Configuration Profile
A Profile Intune which applies configuration parameters to the devices.
IT dictionaryGroup Policy Container (GPC)
the part of a Group Policy Object stored in Active Directory and containing its attributes, links, and metadata
ResourceHow to repair Windows Update error 0x80073712
This BOAI guide provides a structured method for repairing Windows update 0x80073712
ResourceHow to diagnose Windows Update error 0x800F0922
This BOAI guide provides a structured method for diagnosing Windows update 0x800f0922
ResourceHow to resolve overly long OneDrive paths
This BOAI guide provides a structured method for solving the paths too long a Mount without multiplying unnecessary changes.
ResourceHow to check the, state of BitLocker
Check if Windows volumes are encrypted with BitLocker and know their status
ResourceHow to diagnose OneDrive stuck syncing
Start by identifying the specific file in error before any re-uploading of the client.
ResourceHow to check if a PC is attached to a domain
Quickly determine whether a Windows computer is a member of an Active Directory domain
Resource0x8024402C — Windows Update proxy/DNS error
Windows Update is not able to properly resolve or join its update service
Resource0x8024401C — Windows Update timeout
Windows Update client exceeds a delay when communicating with the service
TroubleshootingOneDrive remains stuck syncing
Resolve OneDrive synchronization delays without losing files stored only on the computer.
Resource0x800706BA — The RPC server is not available
Windows cannot reach the CPR service required for the requested operation
ResourceEvent ID 19 — Windows Update installation success
Windows Update indicates that an update has been successfully installed
ResourceEvent ID 20 — Windows Update installation failed
Windows Update did not manage to install an update
ProcedurePrepare a OneDrive to SharePoint migration
Controlled procedure to prepare a 1-Wildl migration to sharepoint
ProcedureDeploy BitLocker with key backup
Controlled procedure to deploy bitlocker with key backup
ProcedureEnable Secure Boot across a Windows fleet
Enable Secure Boot with a hardware pilot, system-disk checks, BitLocker recovery planning and verification of startup and certificate status.
ProcedureClean old Windows user profiles
Delete unused profiles properly without deleting data from a still active user
ProcedureProperly offboard a Microsoft 365 user
User departure procedure by preserving data, access and traceability
ProcedureConfigure SPF, DKIM and DMARC for a domain
Configure SPF, DKIM and DMARC according to current standards: source inventory, single SPF, DARC RFC 9989 without pct, aggregate reports and validation in Augustation-2011s…
ResourceMicrosoft 365 — memo administration
Microsoft 365 reference for Entra sign-ins, Graph, Exchange Online, message tracing, Teams, Intune and device checks.
ResourceWindows network — diagnostic memo
Windows commands for IP configuration, DHCP, DNS, routes, TCP ports and network troubleshooting.
ResourcePowerShell — Essential commands
PowerShell commands for Windows administration, services, events, networking, files and remote sessions.
ResourceDNS — memo form
DNS record types, resolver checks, delegation, caching and commands for diagnosing name resolution.
ResourceActive Directory — Essential Controls
Commands and checks for domain controllers, DNS, replication, Group Policy, time synchronization and the Active Directory secure channel.
ResourceVMware — operating memo
VMware vSphere and ESXi checks for virtual machines, snapshots, datastores, networking, logs and safe maintenance.
Knowledge hubWindows Server
Windows Server diagnostic and administration: services, RDP, storage, VSS, Event ID, Power Shell, certificates and updates
Knowledge hubMicrosoft 365
Microsoft 365 administration and troubleshooting: Entra ID, Exchange Online, Intune, One (2005), SharePoint, MFA and courier
Knowledge hubAzure / Entra / Intune
Administration and troubleshooting Azure, Entra ID and Intune: MFA, Conditional Access, devices, synchronization, compliance, Autopilot, RBAC and Azure network
Knowledge hubPrinters / Scanning / SMB
Printer troubleshooting, printing servers, SMB scan-to-folder, SMTP-Band-to-mail, drivers, WSD, TWAIN and WIA