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Dell EMC PowerEdge servers with 2nd Generation AMD EPYC processors fail to boot after installing the Hyper-V role

Summary: The article has information about Dell EMC PowerEdge servers with 2nd Generation AMD EPYC processors fail to boot after installing the Hyper-V role.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

Dell EMC PowerEdge servers with a 2nd Generation AMD EPYC processor may not boot to Windows Server 2019 after installing the Hyper-V role. The operating system can go into a recovery state or a blue screen (stop error) can occur indicating an inaccessible boot device.  

SLN319499_en_US__1icon Note: Additional errors or circumstances may occur when installing the Windows Server 2019 Hyper-V role on Dell PowerEdge server with 2nd Generation AMD EPYC processors.

Cause

Dell EMC PowerEdge servers with 2nd Generation AMD EPYC processors fail to boot after installing the Hyper-V role.

Resolution

Perform the following steps to install the Windows Server 2019 Hyper-V role on the affected PowerEdge servers: 
  1. Install Windows Server 2019
  2. Install the latest servicing stack update from the Microsoft Update Catalog which can be found here
  3. Install the June 2019 Cumulative Update  KB4501371 or newer found here
  4. Restart the server
  5. Install the Hyper-V role

Perform the following steps to recover the operating system when the operating system goes into a recovery state or a blue screen (stop error) occurs:

  1. Power off the PowerEdge server
  2. Power on the PowerEdge server and enter the BIOS by pressing F2 information can be found here
  3. Navigate to Processor Settings and disable Virtualization Technology
  4. Exit the BIOS saving the settings and reboot the PowerEdge server to the operating system
  5. Install the latest servicing stack update from the Microsoft Update Catalog which can be found here
  6. Install the June 2019 Cumulative Update KB4501371 or newer found here
  7. Restart the server and enter the BIOS by pressing F2
  8. Navigate to Processor Settings and enable Virtualization Technology
  9. Exit the BIOS saving the settings and reboot the PowerEdge server to the operating system


Additional Information: 

SLN319499_en_US__1icon Note: Dell EMC PowerEdge servers shipped after December 10, 2019 with factory installed Microsoft Windows Server 2019 OEM will not be impacted by this issue.

 Dell EMC PowerEdge servers with 2nd Generation AMD EPYC processors:

  • C6525
  • R6515
  • R6525
  • R7515

2nd Generation AMD EPYC processors:
  • 7742
  • 7702
  • 7542
  • 7502
  • 7402
  • 7452
  • 7352
  • 7302
  • 7262

Affected Products

Microsoft Windows Server 2019, PowerEdge C6525, PowerEdge R6515, PowerEdge R6525, PowerEdge R7515
Article Properties
Article Number: 000134895
Article Type: Solution
Last Modified: 04 Oct 2023
Version:  5
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