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Error "The underlying connection was closed. An unexpected error occurred on a receive"

Forum|Forum|4 years ago
March 26, 2021
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butlerj
Nintex Employee

ISSUE

When running a web request in a workflow in SharePoint 2016, the request might fail and the following error might occur:

The underlying connection was closed: An unexpected error occurred on a receive.

ERROR CODE

RESOLUTION

Open IIS.
Open the configuration editor for each site running Nintex workflows.
Open ServicePointManager and set expect100Continue to False.

ADDITIONAL INFORMATION

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