Numerous "Event 5605, WMI" messages are filling up the application log in Windows Event Viewer.
root\MSCluster namespace is marked with the RequiresEncryption flag. Access to this namespace might be denied if the script or application does not have the appropriate authentication level. Change the authentication level to Pkt_Privacy and run the script or application again.
WORKAROUND 1
Reducing the privilege of the root\mscluster namespace by performing the following steps:
WORKAROUND 2
Query information from the ClusWMI namespace without packet privacy and making the connection less secure by not requiring an encrypted connection for this namespace.
(http://support.microsoft.com/kb/2590230)
Note: This workaround will have to be reapplied if the ClusWMI.mof file is updated via hotfix or service pack.
Note: A noted on the referenced Microsoft webpage, this workaround has not been tested and confirmed by Microsoft for any security/supportability implications!
In Microsoft's Technet article referenced earlier, Microsoft has a noted that:
"this warning can be logged even when the Authentication is set to PacketPrivacy and can be safely ignored as long as the queries work as expected."
The agent uses the correct Packet Level Privacy, which is indicated because the queries succeeded and the agent doesn't receive a message that the access to the namespace has been denied.
As recommended by Microsoft, to prevent the warnings from being logged a workaround can be applied.
As for why the messages are logged despite using the correct Packet Level Privacy, it appears to be a Microsoft OS related issue and we are unable to determine it as a specific to the database cartridge.
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