You can disable two-factor authentication (which is a form of multi-factor authentication) at the CommCell level, the company level, or the user group level.
Note
When two-factor authentication is enabled for all users at the CommCell level or the company level, for a user (tenant user) who is a member of more than one user group and if the two-factor authentication is disabled for at least one user group, the two-factor authentication does not work for that user.
Before You Begin
After you complete the procedure, you must restart the Commvault services. So prepare as necessary for that restart.
Procedure
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Disable two-factor authentication: 
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Level Procedure CommCell - 
From the navigation pane, go to Manage > CommCell. The CommCell page appears. 
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In the General section, move the Enable two factor authentication toggle key to the left. 
 Company - 
From the navigation pane, go to Manage > Companies. The Companies page appears. 
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In the Name column, click the company. The company page appears. 
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In the General section, move the Enable two factor authentication toggle key to the left. The Enable two factor authentication dialog box appears. 
 User group - 
From the navigation pane, go to Manage > Security. The Security page appears. 
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Click the Users groups tile. The Users groups page appears. 
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In the Group name column, click the user group. The user group page appears. 
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In the General section, click Edit in the upper-right corner. The Edit user group dialog box appears. 
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Clear the Enable two factor authentication check box. 
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Click Save. 
 
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Using the Process Manager, restart the Commvault service.