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zachmozel
Regular Visitor

Cannot create OneDrive for Business data connection

Hello,

 

I am trying to create (or reauthenticate) a OneDrive for Business data connection in a client's Power Automate environment. I get the following error:

 

 

OAuth2CertificateOneDriveForBusiness authorization flow failed for service 'OneDrive For Business Certificate'. Error deserializing GraphDriveResponseEntity. Exception=System.ArgumentNullException: Value cannot be null. Parameter name: uriString at System.Uri..ctor(String uriString) at ConsentServer.Core.Services.Login.OneDriveForBusinessLoginStrategy.d__7.MoveNext()

 

 

My team believed it to be a DLP policy issue as it first arose when importing a workflow, however I get the same error when attempting to create the connection in the connections page, not within a flow. I also tried creating a new flow with only a OneDrive trigger, with no other connectors, and the connection failed again. The OneDrive for Business connector is in the Business group of the policy. 

 

From my understanding of DLP policies I should still be able to create the connection in the connections tab, and should only have issues with the policy when using it in a flow with other connectors. How can I create this data connection? Thanks.

6 REPLIES 6
Anonymous
Not applicable

Were you able to find a solution? I'm getting the same error.

Rami7250
Frequent Visitor

We have the same problem. Maybe its related to the license on that mailbox?

Currently we use: Microsoft 365 Business Basic plan

 

We get that error:

 

OAuth2CertificateOneDriveForBusiness authorization flow failed for service 'OneDrive For Business Certificate'. Error deserializing GraphDriveResponseEntity. Exception=System.ArgumentNullException: Value cannot be null. Parameter name: uriString at System.Uri..ctor(String uriString) at ConsentServer.Core.Services.Login.OneDriveForBusinessLoginStrategy.d__7.MoveNext()


See attached

Automon
New Member

Getting the same error when attempting a flow import. I don't suspect that I am trying to do anything too crazy. Simple import. 

Automon
New Member

Ah, fixed for me. I don't understand what was going in the background, or the reasoning, but my fix was to log onto the new account's OneDrive and finish the initialization process. After that I was able to connect to its OneDrive

 

It was exactly that, just needed to log in on OneDrive for the first time. After that I was able to create the connection without any problems. Thank you!! Was searching for a solution for hours

Thank you this saved me!

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