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Dear RMS Customer,

We think that your issue can be solved based upon the knowledge article below.
 
Knowledge Article Title: Server error in "/wService" Application. 
Description: When trying to add a LAN device, the URL http://<Server>/wService/wService3.DeviceService.svc/TestDatabase shows Server error with [ArgumentException: This collection already contains an address with scheme http. ...]
Keywords: Server error, error, binding, IIS, webservice, web service, wService, ArgumentException
 
Software Edition: On-premise
Software Version: N/A
R&D Project Number: N/A
Product Part Number: All RMS LAN devices
Product Firmware Version: N/A
 
Issue: The issue is that xxx
Solution: Check the bindings in Internet Information Services (IIS) Manager to ensure that only one Port 80 or Port 443 binding is configured.
Details:

https://service.rotronic.com/manual/When-Adding-a-LAN-Device-a-Ser.html


Please let us know if this has helped solve your issue. If so, we will close this support case. If not, we will explore other possibilities.

Thank you and best regards,
Your RMS Support Team