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Copper Elite Contributor
Posts: 39
Registered: ‎07-13-2010

7.54 Web - Sometimes problems when adding attachments

In some cases, it's not possible to add an attachment to an entity.

Seems to me it has something to do with authentication.


Windows authentication is enabled.

When the machine is originally in the testing environment and I try to attach a file (either by drag&drop or the add dialog), adding is impossible. The dialog appears, but after the postback the OK button causes, the selected file is not shown in the attachment grid.

Staying at this machine and connection the browser to the production environment causes the input of my windows credentials. After doing that, adding an attachment is possible.


So every time I provide Windows credentials explicitly, adding an attachment works, when using standard Windows Authentication, not.


Does anyone have a hint for me what's wrong in my scenario?