Author Archives: chentiangemalc

About chentiangemalc

specializes in end-user computing technologies. disclaimer 1) use at your own risk. test any solution in your environment. if you do not understand the impact/consequences of what you're doing please stop, and ask advice from somebody who does. 2) views are my own at the time of posting and do not necessarily represent my current view or the view of my employer and family members/relatives. 3) over the years Microsoft/Citrix/VMWare have given me a few free shirts, pens, paper notebooks/etc. despite these gifts i will try to remain unbiased.

Case of the Empty Properties in ConfigMgr WMI Queries

To improve ConfigMgr performance, by default not all properties are retrieved when running a WMI query. The ConfigMgr PowerShell cmdlets by default retrieve all properties, but have a –Fast option, which gives us the same results as the normal WMI … Continue reading

Posted in .NET, API Monitor, ConfigMgr, WMI | Tagged | Leave a comment

Simple WMI Trace Viewer in PowerShell

Run this script as local Administrator to start tracing WMI events. When you are done tracing hit ENTER to view the results. This does not display all WMI trace events, check the WMI Activity Trace event log in Windows Event … Continue reading

Posted in Debugging, PowerShell | Tagged | Leave a comment

Case of ConfigMgr Setup Updates Failing–Error 0x80072efe

ConfigMgr setup successfully downloaded several thousand files during pre-requisite downloads, then failed with error: An error has occurred while attempting to download or verify required prerequisite components and Setup cannot continue. Review the configmgrsetup.log file for further details. Opening C:\configmgrsetup.log … Continue reading

Posted in API Monitor, ConfigMgr, Fiddler, WireShark | Tagged | Leave a comment

Case of the Constant Google Chrome Crashes

Google chrome was constantly crashing on a Windows 7 device, even after disabling all extensions and running Chrome Cleanup Tool ( https://www.google.com/chrome/cleanup-tool/ ) Quick check of event logs using PowerShell pointed to a 3rd party module linked to crashes not … Continue reading

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Case of the Lenovo Driver Download Fail–500 Internal Server Error

Needed to update the graphics driver on a Lenovo Carbon X1, quick google found the driver easy: Click the link… The page failed to load in any browser. Searching from pcsupport.lenovo.com home page also failed…   Checking with Fiddler I … Continue reading

Posted in Fiddler, Windows 7 | Tagged | Leave a comment

Slow Citrix Reconnects from Windows Embedded Thin Client

Thin clients, based on Windows 7 Embedded, which I could only access remotely via VNC, were experiencing very slow Citrix reconnect times (15 seconds) The thin clients had a 3rd party single sign on component, Imprivata, that replaced the normal … Continue reading

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Encrypt Password In CTX1 Encoding With PowerShell

Encrypts the password in a reversible format, the format used in some Citrix applications.

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