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500-920 · Question #47

In a Cisco UCS Manager, if all KVM sessions to each server fail to start, what is likely causing the problem?

The correct answer is D. The workstation you are using to connect to the KVM session is the problem. When all KVM sessions fail simultaneously while you can still access UCS Manager normally, the workstation is the common factor - it likely lacks a compatible Java Runtime Environment, has a firewall blocking KVM ports (e.g., TCP 2068), or has a browser/certificate issue preventi

Unified Computing System Troubleshooting Tools

Question

In a Cisco UCS Manager, if all KVM sessions to each server fail to start, what is likely causing the problem?

Options

  • ACisco UCS Manager has a problem
  • BThe Fabric Interconnect to which you are connected has a problem
  • CThe I/O Modules in the chassis are the problem
  • DThe workstation you are using to connect to the KVM session is the problem

How the community answered

(64 responses)
  • A
    13% (8)
  • B
    3% (2)
  • C
    8% (5)
  • D
    77% (49)

Explanation

When all KVM sessions fail simultaneously while you can still access UCS Manager normally, the workstation is the common factor - it likely lacks a compatible Java Runtime Environment, has a firewall blocking KVM ports (e.g., TCP 2068), or has a browser/certificate issue preventing the KVM viewer from launching.

Why the distractors are wrong:

  • A (UCS Manager problem): If UCS Manager itself were broken, you wouldn't be able to log in or perform other management tasks - but those still work.
  • B (Fabric Interconnect problem): A failed FI would disrupt your entire UCS Manager connection, not just KVM sessions; you'd lose management access broadly.
  • C (I/O Modules): I/O modules handle data-plane traffic between servers and FIs - they have no role in out-of-band KVM management traffic.

Memory tip: Think "all roads lead to one place" - when every server's KVM fails from one location, the only common element is the client workstation. If even one server's KVM worked, it wouldn't be the workstation. If UCS Manager or the FI were broken, everything would fail, not just KVM.

Topics

#KVM Sessions#Remote Management#Troubleshooting Connectivity#Workstation Configuration

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