When using Dispatcher with AEM, the interaction must be configured to ensure effective cache management. Depending on your environment, the configuration can also increase performance.
Setting up AEM User Accounts
The default admin user account is used to authenticate the replication agents that are installed by default. You should create a dedicated user account for use with replication agents. security-checklist.html#VerificationSteps
For more information see the Configure Replication and Transport Users section of the AEM Security Checklist.