Resolution

To enable Tyler U in Munis and connect to ESS:

System Administration>General Administration>System Settings
Once that page loads, click the Site Settings button, then the Application Integration Tab
Click Update, then make sure that Tyler U is enabled
Confirm Context is correct

Tyler University Context:
Production/Live:
{"EnvironmentType":"Production","DatabaseType":"Client"}

Test:
{"EnvironmentType":"Production","DatabaseType":"Client"}

Train:
{"EnvironmentType":"Train","DatabaseType":"Client"}

IMPL :
{"EnvironmentType":"Train","DatabaseType":"Sample"}

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