ActiveXperts Network Monitor KB - Monitoring Windows / WMI
'Monitoring Windows / WMI' Knowledge Base Articles
| Q7240010 | What is the difference between WMI/DCOM and WMI/WinRM |
| WMI/DCOM is the older protocol for accessing WMI (Windows Management Instrumentation) data remotely. WMI/WinRM is a newer, more secure protocol that replaced WMI/DCOM. WMI/WinRM uses the WS-Management protocol and uses encrypted, HTTP-based communication. It also supports remote access over the In ... | |
| Q7240020 | I'm using WMI for my Windows checks. Do I retrieve the same data with WinRM as I used to retrieve through DCOM? |
| Yes, the same WMI data can be retrieved through both WinRM and DCOM. The difference is in the method of accessing the data and the security protocols used. WinRM provides a more secure and flexible way to access WMI data compared to DCOM. The WMI data itself is the same regardless of which protoco ... | |
| Q7240025 | I'm getting an error saying that 'Win32_Service' does not exist. Other basic WMI classes like 'Win32_LogicalDisk' do not exist either. |
| Most probably, your WMI repository needs to be rebuild or repaired. For instructions, see FAQ #Q7240028. ... | |
| Q7240040 | I'm not able to monitor any Win32_PerfRawData counters. However, I'm sure they are installed on the monitored system. I can also see those counters in the Administrative Tools\Performance tools. What should I do? |
| This problem occurs because Windows Management Instrumentation (WMI) uses AutoDiscovery/AutoPurge (ADAP) to build its internal performance counter table. If a particular service on the monitored computer was not started when the WMI ADAP process is started, the performance counters are not transfe ... |
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