PowerEdge R640

This article explains how to find supported memory configuration for your PowerEdge server.

The following article provides information about the Languages Option available in the BIOS, Lifecycle Controller, and the Integrated Dell Access Controller (iDRAC) on Dell PowerEdge Systems and How to change it.

Dell guidance for resolving an issue with downgrading BIOS 2.4.8 that encountered a server stop during POST at "Loading BIOS Drivers" on certain 14th Generation PowerEdge Servers with Intel Xeon Scalable Processors (Skylake) or second Generation Intel Xeon Scalable Processors (Cascade Lake) processors. This step-by-step guide provides instructions to recover the BIOS to resolve this issue.

Online Capacity Expansion (OCE) using iDRAC9 UI may fail with a STOR315 error when expanding a Virtual Disk (VD) with more than one span.

Media errors may be encountered when using virtual media mounted using HTTPS remote file share on iDRAC9.

Automate storage consistency checks on PowerEdge RAID Controllers (PERC) using Open Manage Server Administrator (OMSA) Command Line in Windows OS.

This article provides information about three issues that may arise in an environment in which the Active Directory and Internet domain names are identical.

This article contains information about errors that may occur during a Hyper-V Live Migration when backup software is used to perform virtual machine backups. The errors are "Virtual machine failed to generate VHD tree: 'Catastrophic failure'('0x8000FFFF')." ad "Virtual machine failed to generate VHD tree: 'The system cannot find the file specified.'('0x80070002')."

The article describes updating Dell PowerEdge server firmware through Integrated Dell Remote Access Controller (iDRAC) 7, 8, 9, or 10. It details downloading the firmware image, logging in to the iDRAC web interface, uploading the image for installation, and managing pending updates.

Several requests regarding custom ISOs for the latest VMware patch releases for ESXi 7.0 and ESXi 8.0 have been received. The new VMware patch includes critical security updates for vulnerabilities CVE-2025-22224, CVE-2025-22225, and CVE-2025-22226. VMSA-2025-0004 is the official Broadcom article number which is commonly use to explain the issue to Tech Support.

Dell PowerEdge Server remediation is available for an OpenSSL Vulnerability that could be exploited by malicious users to compromise the affected systems.

[OpenManage Enterprise (OME) Power-Manager Plugin] Unable to retrieve the power information.

Unsure about the procedure to update a specific component's firmware in a PowerEdge system? Learn how to in this specific article.

This article discusses managing the Windows Server Update Services (WSUS) role using PowerShell. PowerShell commands for adding the WSUS role and performing various administrative tasks are detailed.

This article explains different methods to reset, power drain or perform a virtual AC cycle.

Dell iDRAC9 and iDRAC10 remediations are available for OpenSSL vulnerabilities that could be exploited by malicious users to compromise the affected system.

This article presents opportunities to understand and troubleshoot some common causes of fan noise in a PowerEdge server. It is also relevant for 100% fan speeds.

This how-to explains the commands and shows the results of outputs for the same to retrieve your service tag using a command console. It is displayed as the system serial number.

The Dell Server Update Utility (SUU) allows updating firmware and Operating System drivers on Dell PowerEdge servers. This article summarizes the steps to download the tool and to use it to update components on a Windows Server target server.

This article provides information about the Microsoft OEM Windows Server Certificate of Authenticity (COA) label on Dell PowerEdge servers. Learn about different COA versions, anti-counterfeit features, proper COA usage, and the location of the COA label.

This document highlights minimum, recommended, and latest code versions for Dell Technologies PowerEdge products. We carefully evaluate and monitor code deployment data to ensure that product releases meet our stringent expectations to provide our customers with reliable products and solutions.

The Dell HBA465e or HBA355e SAS host bus adapter (HBA) may be supplied as a drop in box (DIB) item alongside PowerEdge servers. This article provides direction on selecting an appropriate PCI-e slot.

This article provides information about the VLT0204 error code and guidance.

This article provides information about CPU Machine Check errors and common causes and proper handling when errors are seen.

The firmware of PowerEdge server hard drives is a critical component in the server system. Regularly updating and maintaining this firmware is essential for server performance, security, and compatibility. Hard drive firmware updates can often fix known hardware faults and issues, address identified vulnerabilities and security problems, and potentially introduce new features, improvements, and enhancements.

How to scale the Dell BeeGFS High-Performance Storage Solution in terms of capacity or performance or both.

Dell EMC Servers require a security update to address Intel vulnerabilities related to the Intel Chipset Device Software INF Utility Advsiory.

This article shows how to reinstall OEM SQL Server if the installation media has been lost.

This article provides information about a stop error or blue screen that may occur when installing the Intel Chipset Drivers or Broadcom 1 GbE out-of-the-box drivers.

Hardware Diagnostics are embedded tools installed in the pre-OPERATING SYSTEM of your server to check hardware is working as designed.