Case studies from the day-to-day work of BitBlade Solutions, the IT service company I lead: documented faults, migrations and security incidents. The short versions are here, the full text sits in the company blog.
Networking · Wi-Fi
Same SSID, two VLANs: why a machine with a static IP fell out of the practice network every time it roamed.
Full article on solutions.bitblade.io (opens in a new tab)Projects · Practice IT
Five treatment rooms, a new server, a new network: a review of a complete overhaul and where the time actually goes.
Full article on solutions.bitblade.io (opens in a new tab)Telematics infrastructure · KIM
Wrong host, missing DNS forwarding, missing connector configuration, missing certificate — four causes, resolved one layer at a time.
Full article on solutions.bitblade.io (opens in a new tab)IT support · Power management
Standby and the network card's power management drop the database connection — three settings that belong on every practice workstation.
Full article on solutions.bitblade.io (opens in a new tab)Web & tools · Frontend
An updated web tool stays weeks out of date on the user's machine — why heuristic caching causes it, and how a version check reloads without touching stored data.
Full article on solutions.bitblade.io (opens in a new tab)IT security · Incident response
A forensic case study: a 3CX system appeared broken, but the server beneath it had run DDoS malware unnoticed for seventeen days — four theories, one real culprit.
Full article on solutions.bitblade.io (opens in a new tab)Telephony · PBX systems
3CX case study: a cancelled SIP trunk and three routing rules without fallback disabled a customer's Switzerland connectivity for months.
Full article on solutions.bitblade.io (opens in a new tab)Telephony · PBX systems
When switching to a fibre connection (FTTH), the legacy ISDN system loses its line. A used FRITZ!Box 7590 behind the provider's router solves it — with three caveats.
Full article on solutions.bitblade.io (opens in a new tab)IT support · Windows security
Why an administrator-reset Windows password irrevocably destroys the DPAPI key chain — and a user profile had to be rebuilt from scratch.
Full article on solutions.bitblade.io (opens in a new tab)IT support · Troubleshooting
A 3D plugin fails with error 1603 — system-level tracing reveals a missing, long-deprecated Windows component.
Full article on solutions.bitblade.io (opens in a new tab)Servers & migration · Backup
A total Hyper-V host failure, a day-current backup and two pitfalls: a ghost host and the wrong VLAN.
Full article on solutions.bitblade.io (opens in a new tab)IT support · Troubleshooting
A practice client, a repeatedly crashing Sidexis 4 — diagnosed entirely in PowerShell instead of the Event Viewer.
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