Frequently Asked Questions (FAQ)

Search FAQ

Customer Support 24/7

Knowledge Base

In addition to our technical support (e.g. via chat), you’ll find resources on our website that may help you with your design using Dlubal Software.


Receive information including news, useful tips, scheduled events, special offers, and vouchers on a regular basis.

  • Answer

    The following procedure must be used to remove the cloned license:
    1. Go to http: // localhost: 1947 to access the Admin Control Center (ACC).
    Second In the "Admin Control Center" (ACC), locate the target license "Sentinel SL AdminMode".
    Third Click on the "Certificates" button on the right side of the SL description.
    4th Record the name of the corresponding certificate and the path to the certificate base in the Certificates section: The default path is: C: / Program Files (x86) / Common Files / SafeNet Sentinel / Sentinel LDK / installed
    5th Delete the certificate file in the directory C: / Program Files (x86) / Common Files / SafeNet Sentinel / Sentinel LDK / installed
    6th Restart the server.

Contact us

Contact Dlubal Software

Did you find your question?
If not, contact us via our free e-mail, chat, or forum support, or send us your question via the online form.

(267) 702-2815

First Steps

First steps

We provide hints and tips to help you get started with the main programs RFEM and RSTAB.

Your support is by far the best

“Thank you very much for the useful information.

I would like to pay a compliment to your support team. I am always impressed how quickly and professionally the questions are answered. In the industry of structural analysis, I use several software including service contract, but your support is by far the best.”