The error occurs because of an issue in the SQL table that is being used by Endpoint Encryption.
To resolve the issue:
- Stop the Endpoint Encryption Deployment Tool Service.
Using the SQLite Database Browser, open the following file:
C:\Program Files (x86)\Trend Micro\OfficeScan\Addon\TMEE\db\tmdb.db
Execute the following query:
DROP TABLE MAClientInfoUpdate;
DROP TABLE DomainMapUpdate;
- Go to Menu > File then Save the database.
- Re-start the Endpoint Encryption Deployment Tool Service then sync again.