Article - CS286924
Error "com.thingworx.communications.client.TwApiWrapper Error: 0 : [Error] Error intializing socket connection. Err = -1" when connecting dotNet SDK to ThingWorx with SSL enabled
Modified: 29-Sep-2025
Applies To
- ThingWorx Edge SDK 5.7 to 7.0.1
- dotNet SDK
Description
- SSL errors received when connecting to ThingWorx with self signed certificate with config.DisableCertValidation = true and config.AllowSelfSignedCertificates = true already configured
com.thingworx.communications.client.TwApiWrapper Error: 0 : [Error] Error intializing socket connection. Err = -1
- Unable to connect .NET SDK (dotNet SDK) to ThingWorx using self signed certificate
- The ADO service connection is not working when trying to convert over to HTTPS with error:
[L: Error] [T: 7] [U: SYSTEM] [O: com.thingworx.communications.client.TwApiWrapper] [Error] Error intializing socket connection. Err = -1 [L: Error] [T: 7] [U: SYSTEM] [O: com.thingworx.communications.client.TwApiWrapper] [Error] twWs_Connect: Error restarting socket. Error 0
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