5. Troubleshooting

Q:

Why does 3Delight displays the following message and adds a watermark on the image ?

3DL INFO: Please complete the 'rendermn.ini' file. See licensing docs.

A:

This happens when the `rendermn.ini' file doesn't contain the "/3delight/licserver" entry. Please modify that file as explained in Obtaining a License.

Q:

Why does 3Delight displays the following message and stops the render ?

3DL SEVERE ERROR: Unable to contact license server (Connection refused)
3DL INFO: Make sure the license server is running on 'servername'

A:

If servername is really the name of the machine entered in the `rendermn.ini' file then probably the license server hasn't been started. If servername is not the machine specified in the `rendermn.ini' file then it might mean that there is another `rendermn.ini' file that is overriding the one containing the right servername. Such a thing might happen if there is, for example, another `rendermn.ini' file in user's home directory. To assess this, one could set the DL_DUMP_DEFAULTS environment variable and start a render; all loaded `rendermn.ini' files will then be displayed.

Q:

What do these error messages mean when starting the license server ?

unable to bind TCP address
unable to bind UDP address

A:

There is most likely another license server process already running on the machine. It needs to be stopped first. Some software firewalls can also cause that kind of error.

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