Bug ID 15587516
When power is being limited by the Oracle ILOM Power Management feature, the Windows Server 2008 R2 operating system will generate warning messages in the System Event Log informing you that the processor(s) are being restricted.
Example Event: The Speed of Processor xx in group x is being limited by system firmware. The processor has been in this reduced performance state for xxxx seconds since last report.
Affected hardware and software:
Sun Fire X4170 M2 Server
Sun Fire X4270 M2 Server
All Sun servers with Power Management support
Windows Server 2008 R2
Releases 1.0 through 1.10.1
Workaround:
No workaround is needed. These warning messages are expected events and, therefore, do not indicate a problem.