Firewall port for the license server of Worry-Free Business Security (WFBS)

Summary

When you are renewing the WFBS license, the following error appears when you have a firewall set up on your environment:

Online status checking is not complete
Please check your network connection and try again.

The URL "http://licenseupdate.trendmicro.com/ollu/license_update" is accessible using a browser but the tool cannot establish a connection.

license check error

Details

To resolve this, open the following ports in TCP and UDP to get the a connection on the Trend Micro License Server.

Rating:

Category:

Configure

Solution Id:

1112146

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