I had connected Dynamics 365 instance yesterday in PowerApps, connection was successful and I was easily able to load tables and create app accordingly.
Today, I created a new Entity under a CRM solution and Entity is set to Organization level access.
Since then I am getting above error message while trying to reload DataSet and get Tables from CRM.
Error Message :
The tables didn't load correctly. Please try again later.
Exception received from the underlying service. Exception Message: An error occurred while sending the request.. Session ID: 57aa9317-21bc-2a39-98df-11f965a37192
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Fortunately things are working back to normal for me now.
I am able to connect to tables now.
Everything was working fine before but now I am getting the same error when connecting to CRM Data Source. I have tried refreshing the previously connected data source, still no luck.
I have been getting the same error while connecting to CRM Data Source from PowerApps since 5 Jan 2018. Before this, everything was working just fine.
I believe that this it the error everyone is struggling about now and it is related to change in TLS requirement:
blogs.msdn.microsoft.com/.../updates-coming-to-dynamics-365-customer-engagement-connection-security
I'm not sure how this can be fixed in PowerApps other than raising a support ticket for MS
Mohamed Amine Mahmoudi
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Super User 2025 Season 1
Community Member
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Victor Onyebuchi
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