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Dell EMC iDRAC Service Module 4.2.0.0 Release Notes

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Common Issues

The issues that are mentioned in this section are common for all supported operating systems.

Table 1. Common issues
Issue ID Functional area Description Workaround
159410 Increased workload on the host interrupts communication between iSM and iDRAC When the workload on the host increases due to intensive task requests by the processor, communication between iSM and iDRAC is temporarily interrupted with the following warning message in the Lifecycle log file: The iDRAC Service Module communication with iDRAC has ended. The connection automatically resumes and no action is required.
161262 ISM0003 event message after replacing the system board If a USB NIC is enabled after the system board is replaced without restoring the configuration or after the iDRAC is reset to factory settings, you can observe the following ISM0003 event message on operating system log files before starting the communication: The iDRAC Service Module is unable to discover iDRAC from the operating system of the server. No action is required
214305 iDRAC UI launcher fails with OS2iDRAC iDRAC GUI launcher fails with OS2iDRAC, and 400-Bad Request error is displayed. The iDRAC GUI launcher fails because the HostHeaderCheck property is enabled on iDRAC and the following features are not functional:
  • iDRAC Access via Host Route
  • WSMAN and Redfish via Host Route
  • Remote Racadm via Host Route

To enable the feature, run the command, racadm set iDRAC.WebServer.HostHeaderCheck Disabled

To check the status of web server property, run the command, racadm get iDRAC.WebServer.HostHeaderCheck

For more information about this property, see, DSA-2021-041: Dell iDRAC8 Security Update for a host header injection vulnerability.

216788 RAC804 message logged after performing the iDRACHardReset operation After performing the iDRACHardReset operation, the following RAC804 message is observed in the operating system logs: The System Configuration Lockdown mode is disabled. No action is required and no feature is impacted.
217506 iDRAC UI is not accessible The iDRAC UI is not accessible while switching to Federal Information Processing Standards (FIPS) mode on iDRAC. Restart iDRAC

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