Troubleshooting MCX

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MCX (AppExchange Installation)

Having trouble signing in or opening the app?

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Step 1. Refresh Your Session:

As a first step, log out of SFMC and log back in to ensure you have a fresh session.

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Step 2. Clear Browser Cache:

Clear your browser’s cache and cookies for the Marketing Cloud website, as old data can sometimes cause conflicts.

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Step 3. Try Again:

Close the browser tab and relaunch MCX from the AppExchange menu in your Business Unit.