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Licence key-related error message: "SentinelLM..."

Errors received when uploading a network licence key:

SentinelLM: Failed to add license string "Unknown" to the license server on host [CORRECT SERVER NAME]

Causes & links to solutions 

This error can sometimes be generated when a blank line has been included in the LockCo**.txt file; thus the key installs correctly and then Sentinel attempts to install a second licence key but finds that it has no characters.  If this is the case, the message may be disregarded and the LUSAS software should operate correctly.  Try running LUSAS Modeller.

If LUSAS does not run properly, the error may be caused by one of the following:

1. Spaces and line feeds in corrupted key file
2. The files being used are read-only

SentinelLM: Cannot talk to the license server on host [CORRECT SERVER NAME]. Server not responding?

Causes & links to solutions 

This error is typically caused when a client PC cannot obtain a response from the license server for one of the following reasons:

1. Licence server switched off or logged out

2. Licence server software not installed correctly, not activated or has conflicts

SentinelLM: Probably no servers running on this subnet

or

Sentinel RMS Development Kit: Error [17]: probably no servers are running on this subnet

Causes & links to solutions 

This error is typically caused when a client PC cannot locate the license server for one of the following reasons:

1. Licence server switched off or logged out

2. Licence server software not installed correctly, not activated or has conflicts

3. In versions: 13.8, 14.0 and 14.1 LSHOST & LSFORCEHOST not set
   For version 14.2+ follow these instrucions. 

SentinelLM: Failed to add license string "Unknown" to the license server on host "Unknown"

Causes & links to solutions 

This error is typically caused by one of the following reasons:

Client PC cannot locate the license server 

1. Licence server switched off or logged out

2. Licence server software not installed correctly, not activated or has conflicts

3. In versions: 13.8, 14.0 and 14.1 LSHOST & LSFORCEHOST not set
   For version 14.2+ follow these instrucions

Problems with licence key file

4. Spaces and line feeds in corrupted key file
5. The files being used are read-only