
accessed via a port or via DCOM, where a DCOM agent can only respond to DCOM requests.
DCOM
Install happen via DCOM. Currently there are not other methods. Uninstall and upgrades are not bound
by this limitation.. DCOM is also the lowest common protocol used for collections and installations. If the
Collector lists an Agent as listening with HTTP, and the HTTP connection cannot be established, DCOM is
attempted.
HTTP
HTTPwas added to VCM as an alternative to DCOM in all cases except install. HTTP is the addition of the
CsiWin32SocketListener.exe module on the agent.
Debugging Tip(s)
Module Management processing provides a wealth of debugging information as each module resolution
algorithm is executed by the collector on a per agent basis. Use this detailed information when debugging
problems related to module resolution or to gain insight on the impact that installs or uninstalls have on a
particular Agent. Each resolution algorithm will dump the current and requested Agent modules, module
dependency graph and the module updates mapping prior to algorithm execution as well as each
algorithms step-by-step output as it is executes.
Example debug (INFO) output captured during an agent install:
VCM Troubleshooting Guide
46 VMware, Inc.
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