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<br>I have the same problem and I would like to know a solution
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I have the same problem and I would like to know a solution

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Hi Experts,<br />
<br />
We are trying to configure Hybrid Mode on Exchange 2016 CU15 but keep running into HCW8064 concerning OAuth at the completion of the wizard. <br />
<br />
I've read quite a few articles about the error which all seem to refer to Exchange 2013, nothing about 2016. Also been through all the logs but not finding much in there. There are a lot of steps involved in manually configuring OAuth so wanted to avoid that if possible. <br />
<br />
Full error reads, &quot;Configure Intra-Organization Connector. HCW8064 The HCW has completed but was unable to perform the oAuth portion of your Hybrid configuration. If you need features that rely on OAuth, you can try running the HCW again or manually configure OAuth using these manual steps.&quot;<br />
<br />
Thanks.
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Hi Experts,

We are trying to configure Hybrid Mode on Exchange 2016 CU15 but keep running into HCW8064 concerning OAuth at the completion of the wizard. 

I've read quite a few articles about the error which all seem to refer to Exchange 2013, nothing about 2016. Also been through all the logs but not finding much in there. There are a lot of steps involved in manually configuring OAuth so wanted to avoid that if possible. 

Full error reads, "Configure Intra-Organization Connector. HCW8064 The HCW has completed but was unable to perform the oAuth portion of your Hybrid configuration. If you need features that rely on OAuth, you can try running the HCW again or manually configure OAuth using these manual steps."

Thanks.

&quot;HCW8064 - The HCW has completed, but was not able to perform the OAuth portion of your Hybrid configuration&quot;

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.

&quot;HCW8064 - The HCW has completed, but was not able to perform the OAuth portion of your Hybrid configuration&quot;

"HCW8064 - The HCW has completed, but was not able to perform the OAuth portion of your Hybrid configuration"