PLAT-ADMN-201 Question #51: Real Exam Question with Answer & Explanation

Question

A Platform Administrator at Cloud Kicks is trying to set up a new user but receives an error about a duplicate username when trying to save the user record. What is causing this error to happen?

Options

• AThe username was not configured in the format of an email address.
• BThe email address and username must be unique across all Salesforce orgs.
• CThe username must be unique across all Salesforce orgs.
• DThe username has a restricted domain name within it.

Explanation

In the Salesforce architecture, the Username is a globally unique identifier. This means that once a username (e.g., [email protected]) is used in any Salesforce organization (including production, sandboxes, and developer editions), it cannot be used again in any other organization worldwide. This often causes confusion because while an Email Address can be reused across multiple Salesforce users and orgs, the Username must remain distinct. If an administrator receives a duplicate username error, it means the desired username is already taken by a user in another instance of Salesforce. Option A is incorrect because usernames must be in email format, but they don't have to be a valid functioning email. Option B is incorrect because only the username has this global uniqueness requirement, not the email address.

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