You cannot edit the Approved/Blocked list in HES. The Save button is grayed out and you receive the following error message:
Request cannot be completed. There was an internal server error or the network is down. Check your network connection and try again. If the issue persists, contact technical support.
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The issue occurs because there is an existing account for the same customer on https://ers.trendmicro.com/ that prevents this configuration option.
To resolve the issue, submit a case to Trend Micro Technical Support and provide the following information:
- Activation Code
- Username (account used to log in to the HES console)
- Screenshot of the error
- Any details about an existing account on https://ers.trendmicro.com/.