I have a WMI disk sensor on a server which reports incorrect information.

Modified on 2025-06-10 12:09:40 +0200

My WMI disk sensor reported different information compare the actual.

PRTG version: 7.3.2.5477
Target server: Windows 2003 Adv. Server
Sensor: WMI Disk Free
The disk involved: E: capacity 520GB with 228GB
PRTG sensor reported: 7630 MByte, 14% Free

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Dear Edmond,

Microsoft's WMI provides two methods for reading free disk space—a simple "disk free" and a method that considers the actual volume. PRTG offers both request methods in its interface—namely WMI Disk Free and WMI Volume.

If—as in your case—WMI does not provide correct values, please try with the other method, using the more advanced WMI Volume sensor in PRTG.

May, 2010 - Permalink

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I have a WMI disk sensor on a server which reports incorrect information.

Article CommentsAttention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.

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Attention: This article is a record of a conversation with the Paessler support team. The information in this conversation is not updated to preserve the historical record. As a result, some of the information or recommendations in this conversation might be out of date.