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firewall or other network settings

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Posted on by DeanGross

When I'm at my clients office, we get errors creating flows when we are on their wired network, but when I'm on their guest wi-fi it works fine. What do I need to tell them to look for in their troubleshooting efforts?

The specific errors occur when using the template to create an email when a SharePoint list item is edited.

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RajRa Microsoft Employee on at

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We use standard https ports, so those should be sufficient to unblock creation of flows - Can you browse to the site fine?
DeanGross 22 on at

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Yes, we can browse to the site and we can create a Flow using the "Send a customized email when a new SharePoint list item is added" template. We get the error below when we try to create another flow using the "When an item in a SharePoint list is modified send an email." template. The Flow site seems to be having a problem getting info from the Tenant.
I have tried do this same thing with 2 different lists in 2 different sites on this tenant and i get the same error.
RajRa Microsoft Employee on at

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Hi Dean,

You'll see calls go out to this host in fiddler. Its using standard https protocol so can you confirm the host is not blocked on your network?
DeanGross 22 on at

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I see the information shown in the image below. What do I need to tell my network engineers?

Network trace
DeanGross 22 on at

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My network engineers found the following:

it was failing authenication to the azure-asim.net link
possibly because it's access is not through a normal browser
so the proxy has to be setup to not authenticate and forward credentials