PowerFlex 4.x: How to Change MVM OS Password From PFMP

Summary: This article lists a detailed step-by-step process for changing the MVM OS delladmin password from PFMP.

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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Instructions

NOTE: This article explains how to change the MVM's OS delladmin password to a new password, assuming PFMP already has a configured Resource Credential for the MVMs with the correct password. 

 

If PFMP does not have the correct password and the Customer has lost it too, then password recovery is needed PowerFlex 4.x How to Reset or Recover an MVM or SVM Lost Password

 

Steps:

  1. Create new resource credentials with the new password from settings.
    1. Go to PFMP UI => Settings => Security => Resource Credentials.
    2. Credential Type: OS User
    3. User Name: delladmin

Settings Resource Credentials

 

  1. Create a new resource Credentials. 

 

NOTE: Do not edit the old credentials having the correct password instead, create a new one with the new password, PFMP must have both the old correct password and the new password, each in a separate credential entry. 

 

create new resource credential in UI

  1. Choose OS User in Credential Type, enter a new Credential Name, User Name delladmin, and new Password and click Save. 

Create Credentials

You should find a new entry for the new credential assigned to Zero Resources. 

new credential assigned to Zero Resources 

 

  1. Assign the new Resource Credentials to the MVM Nodes.
    1. Go to Resources => Select the three PFMC 2.0 management nodes => Click Update Password. 

If needed, use the filter to enter a keyword that is unique for the MVM node names to easily list them.

Update Password 

 

  1. Check MVM Operating System Password and click Next. 

Check MVM Operating System Password

  1. From the Select drop-down menu, select the resource credential you created in step 3 and click Finish.

 

elect the resource credential you created in step 3

 

Alternatively, instead of Steps 1 to 3, you can create a new resource credential from the + sign, 

Alternatively, you can start the steps to create new resource credential from the + sign, instead of Steps 1 to 3 

 

  1. Update the backup with the new password.
    1. Go to Settings => Serviceability => Backup. 

 

Go to Settings => Serviceability => Backup 

 

Click Backup Settings 

Click Backup Settings 

 

Scroll down to the Management Credentials section and enter the new password for the three MVMs and click Save.

Management Credentials section of UI

  1. Update the PFMC Resource Group (RG) with the new MVM password
    1. Go to Lifecycle => Resource Groups => Click the Hyperlink name of the RG hosting the MVMs to View Details of this RG. 

PowerFlex UI Lifecycle => Resource Groups tab

 

Verify the RG name to ensure that it matches the correct RG hosting the MVM nodes, and then click More Actions > Update Resource Group Details. 

Update Resource Group Details 

 

In the MVMs Section, change the Credentials to the new one created in Step 3. 

image showing MVMs Section, change the Credentials to the new one created in Step 3

 

  1. After testing the new Credentials, you may delete the old one.
    1. Go to Settings => Security => Resource Credentials => Select the old MVM OS Credentials => click Remove. 

 

PFMP must be aware of the password and use it for three reasons.

  • OS updates (Done using RG for Rack/App customers)
  • Backup operation
  • PFMP upgrade

Additional Information

Similar KBs 

PowerFlex 4.x: How to Change SVM OS Password From PFMP

PowerFlex 4.X: How to add user, create or modify credentials for subcomponents from PFMP

Affected Products

PowerFlex Software

Products

PowerFlex rack, VxFlex Ready Nodes, PowerFlex custom node, PowerFlex appliance R650, PowerFlex appliance R6525, PowerFlex appliance R660, PowerFlex appliance R6625, Powerflex appliance R750, PowerFlex appliance R760, PowerFlex appliance R7625 , PowerFlex appliance R860, PowerFlex appliance R640, PowerFlex appliance R740XD, PowerFlex appliance R7525, PowerFlex appliance R840 ...
Article Properties
Article Number: 000343767
Article Type: How To
Last Modified: 16 Jul 2025
Version:  2
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