in ETABS (or any CSI software like SAP2000 and SAFE) typically means "The server is down or not responding."
: Like many CSI America products, ETABS relies on the Sentinel RMS License Manager. Ensure the service is running and that the LSHOST environment variable is correctly pointing to your license server. General Troubleshooting Steps etabs license error 18 2021
If you need a , download the "CSI License Manager Installation and Troubleshooting Guide" from CSI's website. It is the definitive technical resource that fully covers error 18. License Error 18 in ETABS (or any CSI
C:\Program Files\Computers and Structures\C:\ProgramData\SafeNet\C:\Windows\System32\Lserv.exeEssentially, your computer knows where the license should be (the Server Name/IP is correct), but it cannot communicate with the server computer to actually borrow the license. If using a license server: Sentinel RMS Issues
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