Microsoft shared a workaround for a known Microsoft 365 rumor triggering 'Something Went Wrong [1001]' sign-in errors and making desktop applications unusable for galore customers.
The login issues impact those utilizing Excel, Word, Outlook, and PowerPoint for Microsoft 365, Microsoft 365 Apps for business, and Office apps for iOS and Android.
"When users effort to motion into Microsoft 365 desktop applications, they person an correction message," nan company says.
"We are experiencing a problem pinch SSO pinch Office 365 apps (outlook, onedrive). After signing successful to nan AVD, nan agency apps are not signed in, they stay stuck," 1 affected user said.
"It is an Azure AD joined windows 11 AVD host. The authentication pop-up opportunity thing erstwhile incorrect [1001]."
While these errors whitethorn beryllium encountered erstwhile trying to motion successful to Microsoft 365 desktop applications connected systems when information package blocks Web Account Manager (WAM) plug-ins from running, Redmond is besides investigating these login problems arsenic a abstracted rumor by reviewing logs from impacted users.
Microsoft besides asked affected customers to unfastened support tickets successful nan M365 Admin Portal and attach Microsoft Office Authentication/Identity Diagnostic (MSOAID) logs to velocity up nan investigation.

Microsoft advises users experiencing issues opening Microsoft 365 apps to usage nan Outlook Web App (OWA) and Office web applications aliases mobile applications arsenic a workaround.
Redmond says that nan pursuing steps mightiness besides thief to get free of nan sign-in errors:
- Rebooting nan instrumentality often helps to mitigate nan issue.
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Run nan commandlets beneath successful personification mode PowerShell to repair WAM (more discourse successful the Fix authentication issues successful Office applications erstwhile you effort to link to a Microsoft 365 service article):
Add-AppxPackage -Register "$env:windir\SystemApps\Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy\Appxmanifest.xml" -DisableDevelopmentMode -ForceApplicationShutdown Add-AppxPackage -Register "$env:windir\SystemApps\Microsoft.Windows.CloudExperienceHost_cw5n1h2txyewy\Appxmanifest.xml" -DisableDevelopmentMode -ForceApplicationShutdown
Additional guidance is disposable connected Microsoft's support website on how to hole Office app authentication issues when connecting to a Microsoft 365 work and connected what to do erstwhile you can't motion successful to Microsoft 365 desktop apps.