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K2 version 4.6.8 error send email and retry can be send


We intergrate with exchange online and found error as beow; https://outlook.office.com/EWS/Exchange.asmx

"SourceCode.Workflow.Common.EWS: Autodiscover not available and mail cannot be sent. Reconfigure K2 server with valid Exchange settings."

 

But we can retry in error list and can be send email,

 

Best answer by khanh

Hi jetsettronn,

 

The following KB will likely resolve the issue. 

https://community.nintex.com/t5/Technical-Issues/K2-and-TLS-1-2-Support/ta-p/124200

This has to do with office365’s full implementation of TLS 1.2 and some other things.
https://docs.microsoft.com/en-us/microsoft-365/compliance/prepare-tls-1.2-in-office-365?view=o365-worldwide

 

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MillaZ
Nintex Employee
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  • Nintex Employee
  • March 14, 2022

Perhaps this article might be useful: 
https://community.nintex.com/t5/How-To/Autodiscover-not-available/ta-p/125143

 

If not, I would suggest logging a support ticket! 

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If connectionstring incorrect why can be retry an email and send out.

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  • Nintex Employee
  • April 6, 2022

Hi jetsettronn,

 

The following KB will likely resolve the issue. 

https://community.nintex.com/t5/Technical-Issues/K2-and-TLS-1-2-Support/ta-p/124200

This has to do with office365’s full implementation of TLS 1.2 and some other things.
https://docs.microsoft.com/en-us/microsoft-365/compliance/prepare-tls-1.2-in-office-365?view=o365-worldwide

 

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Thank you, 

I use windows server 2012 for K2.

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Thank you very much, I had change tls1.2 and update dotnet framework to 4.8

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