I I have tried adding the below ones but still I'm getting the same error. I have tried adding at the beginning / Just the line before ExecuteQuery() but no luck. I'm invoking the SharePoint Online using the ClientContext. I'm using .NET framework 4.7.2. Let me know if I'm missing something?
I have SharePoint on-prem Windows Server 2019, I am getting the Error on the Search Service Application, and this stops the SP Full Backup. does this applicable For SP On-prem, and kindly help me with the file name where to add this line.
After lots of back and forth, I was not able to fix it. Finally what fixed for us is, When we deployed to Windows 2016 R2, it started working. If in case, you are deploying on old windows version try it in latest windows server.
Did you find a way to solve this ? I have the same problem in Power BI and Power Query in Excel, I can't connect to any data source that requires an authentification to my professional account, I get the error "The underlying connection was closed". It also occurs when I try to update datas in my older files that used to work perfectly ...
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