193 step-by-step IT guides and fixes across Windows Server, Microsoft 365, Teams, Windows, Docker, and virtualization.
Pillar Guide
A practical guide to Conditional Access in Microsoft 365: signals, conditions, controls, common policies, report-only mode, break-glass accounts, and P1/P2 licensing.
Run a LiteLLM gateway on Windows to serve Claude Code, Codex CLI, and OpenCode from one place. Unified keys, spend tracking, model routing, and the common fixes.
Pillar Guide
Migrate Active Directory from Server 2012 R2 to 2022 the safe way: add a 2022 DC, transfer FSMO, raise functional levels, move DNS/DHCP, then demote the old DC.
Set up claude-code-mux on Windows for fast, fail-over multi-provider routing of Claude Code across DeepSeek, MiniMax, Kimi, and 15+ backends. Install and config.
Teams Calendar missing? Fix it by checking the Exchange mailbox, app permission policy, license, cache, and re-pinning the Calendar app on desktop and web.
Set up claude-code-proxy on WSL to run Claude Code against your ChatGPT or Kimi subscription via a local Anthropic-compatible proxy. Install, configure, and fixes.
Export a Microsoft 365 mailbox to PST two ways: a Content Search eDiscovery export for admins and Outlook's import/export for a single user. Covers permissions, when to use each, and compliance.
Use deepclaude on Windows to run Claude Code's agent loop on DeepSeek V4 or any Anthropic-compatible backend. Install, configure, verify, and the trade-offs.
Work through why a GPO won't apply — gpupdate, gpresult, link and scope, security and WMI filtering, SYSVOL replication, slow links, and loopback — with the commands to prove it.