dotNETAgent shows broken in Agent Status and agent is not installed on host. Error in msi log file for MS Visual C runtime distribution installer failed.
Navigate into fglam_home\state\default\DotNetAgent\agents\DotNetAgent\5.6.6 and review the msi_[number].log files. At the bottom of the log file it will tell you if the components installation was successful or failed. You will have to skim through the log file to understand more as to why it failed, but in this scenario the customers Visual C++ runtime distribution installer failed.
MSI (s) (F0:54) [16:21:50:059]: Product: Microsoft Visual C++ 2005 Redistributable -- Error 1402.Could not open key: UNKNOWN\Components\DA42BC89BF25F5BD0AF18C3B9B1A1EE8\3F8CB410BEF1F234988878D95972522A. System error 5. Verify that you have sufficient access to that key, or contact your support personnel.
WorkAround: Change the owner on the registry location and added permission to everyone.
Reactivated the dotNETAgent and saw from msi log files that the install vcredist.exe program worked without error.