Unsupported Cisco SFP+ Module causes network performance issues

Summary: This article addresses unsupported Cisco SPF+ modules when used with Broadcom network interface cards.

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Symptoms

Event ID 34 is posted in the System event log.

Log Name: System
Source: ebdrv
Date: 11/28/2013 10:51:15 AM
Event ID: 34
Task Category: None
Level: Warning
Keywords: Classic
User: N/A
Computer: computername.domain.com
Description:
The description for Event ID 34 from source ebdrv cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.
If the event originated on another computer, the display information had to be saved with the event.
The following information was included with the event:
NTPNP_PCI0115
0
CISCO-OEM
SFP-H10GB-CU3M 

 

Cause

The unsupported use of a Cisco SFP+ Module SFP-H10GB-CU3M on a Broadcom 57810 NetXtreme II 10-Gigabit NIC can cause network performance issues. Intermittent iSCSI disconnections may occur.

Resolution

Replace the SFP+ module with a supported module.

Produse afectate

Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2025, Microsoft Windows 2008 Server R2, Microsoft Windows 2012 Server, Microsoft Windows 2012 Server R2
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Article Number: 000137535
Article Type: Solution
Ultima modificare: 05 Sep 2025
Version:  7
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