Unable to update telephone number in 'Maintain Business User' App

[SAPSupport]

Cannot change/update Phone number in Maintain business user App.

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Learn more about the SAP Support user and program here.

[SAPSupport · Accepted solution]

User data including Email Address, Phone number and Location cannot be maintained directly through the Maintain Business Users App.

Kindly refer KBA: 2702122 - Cannot change User Data in Maintain Business Users app - SAP for Me.