We have the problem that when uploading a file from a smartform into a SharePoint Online Document library (see attached) that the file is not getting uploaded. The problem is that it does not always occur. We can work for 3,4,5,6 hours without nothing occuring and sometimes it can occur within the first hour of working. 

I assume the problem is that the Sharepoint online connection is not getting renewed and therefore not able to upload the file. 

My question: is it possible to have the K2 service logoff or disconnect from SharePoint Online after each time the user has completed the upload.