Converting Between Float and Fixed-Point with an ESP32
Fixed point math for dsp or pga’s can be annoying to write in C. Fortunately there’s an assembly instruction.
Posts by Year
2023
Windows Service Recovery Action Blob Manglement!
Ever wanted more than three recovery actions? Here’s a sketchy hack that you shouldn’t do!
FYI: O365 Exchange IMAP Search is a hot mess
The Exchange Online IMAP SEARCH implementation is not well documented
2022
Can’t Delete a VHD if you Ctrl-C the New-VHD Command
If you CTRL-C the New-VHD cmdlet the CIM Job will keep running in the background and prevent you from deleting the disk.
Office 365/Apps for Enterprise sign-in page blank
Possible cause and hackey temp-fix for the Office 365/Apps for Ent. WAM sign in page being almost completely blank.
2021
VBA Dumb Problem of the Day
Easy to miss behaviour when inserting page breaks in an excel document via VBA.
2020
Scheduled Powershell Scripts without storing credentials
Thoughts on simple scheduled scripts without needing files or unprotected credentials.
DPM Scripted VM Recovery Fails (Error 104 0x80041002, 3111)
Microsoft’s DPM documentation is wrong regarding the recovery methods for Hyper-V VM’s…
Miscellanea
Miscellaneous links.
2019
VMM Migration Error 20413 (Hyper-V-VMMS 20770)
VMM Says: Error 20413 / 20770 🙄. Host says: You misconfigured my SMB settings.
Error 0x8009030E Trying to Migrate VM in System Center VMM
What to double check (you did a first check right?) when live migrations are failing due to credential issues.
Zabbix HTTP Agent LLD Rule Example
When I wrote this Zabbix HTTP LLD Rule documentation was… unhelpful at best. Here’s what I figured out.
Dynamics CRM Plugin Mistake
Daily “feel like an idiot” moment incoming: check your entity names and remember that the debugger can throw exceptions too.
Remote bulk fix for VSS LLDP CAPI 513 error.
I’m a stickler for keeping error logs clean where possible. I wanted to fix the VSS CAPI 513 error (https://support.microsoft.com/en-ca/help/3209092) on my D...
Shoretel Users Can’t Change Call Handling Mode or Agent Status
TL;WR Probably the SG90 acting up again. Those things are weird. Rebooting the SG90 and the Director server fixed it for me. YMMV. While moving around some ...
DPM Azure Recovery Services Agent Crashing
Update: We did start having dependency issues after updating the MARS agent. It appears that the agent now depends on the management service. Not getting err...
DPM Protected Items Don’t Appear in Azure Vault
TL;WR: None of the current Long Term (i.e. DPM 2016 as of 2019-02) DPM releases actually send updates to azure. So unless you’re on the bleeding edge DPM str...
Cannot disconnect windows server iSCSI sessions when you ignore your own advice
TL;WR: If you can’t eject a disk and you have apps open, try closing them! Duh. Suggested Pairing: A third of your remaining tea/coffee vessel. Wasted 15 mi...
PowerShell Inline Status Updates Without Write-Progress
Preface: Don’t use this, it’s really bad practice for PowerShell code to work by manipulating the host console window. It’ll work, but it’ll mess with loggin...
S2D Cluster Creation From VMM 2016
TL;WR: If you’re trying to setup an S2D Hyper-Converged Cluster before adding it to your VMM Fabric: Don’t. It will work, but you won’t be able to see or man...
2018
IPECS ES-3052G Actual Full Manual
Any time I’ve needed the manual for this switch it’s been an absolute pain to find. Last time I had to dig around in some sketchy .ru open directory. Manual...
2017
Speeding up WSUS
Preface: All of this is untested, lacking benchmarks, purely qualitative, and seriously failing at all aspects of scientific method or rigour. The following...
Converting PowerBI Desktop Reports from Import to Direct Query
TL;WR: PowerBI can either cache your data or query it live. If you build a report cached (import mode) it won’t let you convert it to live (directquery). I d...
Windows Update Refused to Work, So I Spoon-Fed it.
TL;WR: Windows update never got past checking for updates. Nothing worked. Used my private WSUS server and spoonfed it 10 updates at a time. Suggested Pairin...
Shoretel for Sadists (1xx-rel sip session ending on a SG-90)
TL;WR: SIP Provider changed their 1xx-rel implementation when migrating from a Genman/cs2k platform to Metaswitch and removed the SDP from the final invite (...
Console Access to Shoretel Switches and Phones
SG series switches, T series, and probably others: Serial: Connect with a standard serial cable (dte to dce) 19200 N,8,1 User: anonymous Password:...