Filter
Top Products
System Administration 63
Troubleshooting WSUS in Standalone Mode
WSUS provides a log for troubleshooting issues related to software updates. This log is
located on the thin client, in the directory: C:\windows\windowsupdate log. This log
displays all communications between the client and the server. You can use PERFMON to
monitor memory allocation for the WSUS client web services component and WSUS
server web services component of the update log.
Note
Alternatively, you can use a network monitoring or packet sniffing tool to
monitor the traffic between the client and the server.
Table 2 shows the WSUS log format with some examples.
Table 3 lists the components that can write to the WSUS log.
Table 2 WSUS Log Format
Date Time PID TID Component Text
2005-06-01 18:30:03 992 810 Misc = Logging initialized
2005-06-01 18:30:03 992 810 Misc = Process
2005-06-01 18:30:03 992 810 Misc = Module
Table 3 WSUS Components
Component Description
AGENT Windows Update agent
AU Automatic Updates is performing this task
AUCLNT Interaction by AU with the logged on user
CDM Device Manager
CMPRESS Compression agent
COMAPI Windows Update API
DRIVER Device driver information
DTASTOR Handles database transactions
DWNLDMGR Creates and monitors download jobs
EEHNDLER Expression handler used to evaluate update applicability
HANDLER Manages the update installers
MISC General service information
OFFLSNC Detect available updates when not connected to the network
PARSER Parses expression information
PT Synchronizes updates information to the local datastore
REPORT Collects reporting information
SERVICE Startup/Shutdown of the Automatic Updates service
SETUP Installs new versions of the Windows Update client when
available
SHUTDWN Install at shutdown feature
WUREDIR Windows Update redirector files
WUWEB Windows Update ActiveX control