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Did you restart after applying the registry change? I would also advise that you fully review this Microsoft article:<ul><li><a href="https://techcommunity.microsoft.com/t5/sharepoint-support-blog/sharepoint-designer-and-modern-authentication/ba-p/382774" rel="ugc"><strong>SharePoint Designer and Modern Authentication</strong></a></li></ul><strong><br></strong>
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Did you restart after applying the registry change? I would also advise that you fully review this Microsoft article:
 * SharePoint Designer and Modern Authentication [https://techcommunity.microsoft.com/t5/sharepoint-support-blog/sharepoint-designer-and-modern-authentication/ba-p/382774]


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modern authentication already disabled on tenant, how i can connect if we are using legacy authentication???
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modern authentication already disabled on tenant, how i can connect if we are using legacy authentication???

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Is there a specific error connection message window being generated? Provide a screenshot if possible.
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Is there a specific error connection message window being generated? Provide a screenshot if possible.

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Also, please ensure that you have the other registry value specified at the bottom article here:<br><br>HKEY_CURRENT_USERSOFTWARE\Microsoft\Office\15.0\Common\Identity\Version<br><br>should also have a value for &nbsp;REG_DWORD of 1<br><br>Restart SPD<br><br><a href="https://vishwasharepointblog.wordpress.com/2018/03/22/open-the-sharepoint-online-sites-from-sharepoint-designer/" rel="ugc"></a>Reference:<br><br><a href="https://vishwasharepointblog.wordpress.com/2018/03/22/open-the-sharepoint-online-sites-from-sharepoint-designer/" rel="ugc"><strong>Open the Sharepoint Online sites from Sharepoint Designer</strong></a><br><br>
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Also, please ensure that you have the other registry value specified at the bottom article here:

HKEY_CURRENT_USERSOFTWARE\Microsoft\Office\15.0\Common\Identity\Version

should also have a value for  REG_DWORD of 1

Restart SPD

https://vishwasharepointblog.wordpress.com/2018/03/22/open-the-sharepoint-online-sites-from-sharepoint-designer/Reference:

Open the Sharepoint Online sites from Sharepoint Designer [https://vishwasharepointblog.wordpress.com/2018/03/22/open-the-sharepoint-online-sites-from-sharepoint-designer/]



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<div class="content wysiwyg-content">
Hello Dears,<br />
I'm facing issue when trying to connect to sharepoint online site or list from infopath.<br />
i tried to add ADAL=1 on registry but it's didn't work with me,......<br />
<br />
what is suppose to do to solve this issue?
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Hello Dears,
I'm facing issue when trying to connect to sharepoint online site or list from infopath.
i tried to add ADAL=1 on registry but it's didn't work with me,......

what is suppose to do to solve this issue?

Infopath can't connect to sharepoint online site/list

Microsoft applications include a variety of software programs, including development and digital authoring programs (Expression and Media Center), educational programs, Internet software, including Essentials, Skype and the Live family, anti-virus, productivity applications and suites like Office, Excel, Word, Outlook, Access and PowerPoint, video games and server applications such as Exchange, SharePoint, IIS and Virtual Server.

Microsoft Applications

Microsoft Office is an integrated suite of applications that includes Outlook, Word, Excel, Access, PowerPoint, Visio and InfoPath, along with a number of tools to assist in making the individual components work together. Coding within and between the projects is done in Visual Basic for Applications, known as VBA.

Microsoft Office

Microsoft Sharepoint is a software platform and family of software products used for collaboration and web publishing combined. These capabilities include developing web sites, portals, intranets, content management systems, search engines, wikis, blogs, and other tools for business intelligence and collaboration. SharePoint has a Microsoft Office-like interface, and it is closely integrated with the Office suite.

Microsoft SharePoint

Microsoft InfoPath is a software application for designing, distributing, filling and submitting electronic forms containing structured data. The product features a WYSIWYG form designer in which the various controls (e.g. textbox, radio button, checkbox) are bound to data, represented separately as a hierarchical tree view of folders and data fields. All the data stored in InfoPath forms are stored in an XML format. Secondary data sources can be built into the form or they can be accessed through an external data connection to SharePoint or a Web service.