Fix - Internal CA Certificate issues on Server 2003

In one environment, I noticed various security certificate symptoms that caused problems on a particular Windows 2003 Server x64 Workstation.

  • Outlook 2007 gave certificate errors on launch (autodiscover)
  • Internet Explorer 8 could not browse internal HTTPS site
  • Digitally signed email from others complained about invalid signatures

HowTo: Publish Exchange Public Calendar with PHP

My goal was to extract appointment info from an Exchange Public Calendar to be displayed on an intranet site. This can be accomplished using the Exchange Web Services. Microsoft has examples using C# and the EWS API to access the data. Also you can use Perl or PHP module code contributed by the communities to extract this. I chose to go the PHP route vs.

Fix - Vsphere Client System.Reflection.TargetInvocationException

The Windows Server 2003 x64 workstation I was using for the vSphere 4.1 client recently stopped working. Was working fine for quite awhile, but recently I had installed and demo'd a few various software packages. I tried the usual uninstall and reinstall without success.

Fix - Windows KMS Activation failure

In a lab environment, we run a Microsoft KMS server. We had built out an initial group of clients to meet the 25 minimum for KMS. Time passed and some engineers built out another group of clients, but everytime a client attempted to activate:

HowTo: Find ESX Server UUID aka Host ID

Recently I had a need to find the Host ID / UUID of an ESX server for some maintenance tasks.  However it was not nearly as easy as I thought it would be.  After googling around for a bit, I found a link that said I could use the following URL:

https://<ESX HOST IP>/mob/?moid=ha-host&doPath=hardware.systemInfo

String is not in the form required for a subject?

I was trying to hash a few various scripts together into one powershell script and have it email some output to me when it completed.  I would then schedule the script to do a daily report.  All seemed to work fine until I added the email code part.  My code was like:

Windows 7 64bit USB to Serial Adapter

Serial access is still quite common for networking devices and such.  Unfortunately most new laptops no longer have a serial port.  The work around is to add a USB to serial adapter in the toolbox.  However I had been struggling to find a good USB to Serial Adapter to work with my Windows 7, 64bit installation. 

Fix - WMI Memory Leak

I noticed the EventLog error below on two new Windows 2008 R2 servers recently deployed.  Also I saw the memory utilization was quite high on a server that has not been rolled out yet.  The WMIPRVSE.EXE was using > 350 megs of memory.  

Fix - HP Universal Print Driver "Heavy" Paper

While deploying new print servers in an environment with a very large number of HP LaserJet series printers, we ran into an issue with the HP Universal Print driver.  When clients added the printer from the server and attempted to print a page, the printer would prompt for manual feed of "heavy" or "extra heavy" paper.

Top 3 Causes of Home Connectivity Issues

All of us in tech support world enjoy those panic calls from desperate remote users, "I cannot get online!".  Well here are my top 3 reasons for it and their simple fixes.