Succesfully tested on an OfficeScan Client 10.6 installation.
Tips and Tricks! by Mahesha D - How to reset OfficeScan 10.0 Server console password?
Pwd=”!CRYPT!523F7DC2E525044E2800FCDEA7E5D78B70C0A4165387060525E3EE66D5D2D2F460EA361E712B5F871FD473C7A6C"
Note: Replace only the portion for the root account. If there are other accounts shown do not edit those.
Succesfully tested on an OfficeScan Server 10.6 installation.
Tried Knowledge Base - Remove or Reset Trend Micro OfficeScan,client/server or security server Uninstall Password to Default, but this did not work for OfficeScan Server 10.6.