Microsoft Account Login Failed
"You can't access this
application" when authenticating as service account
Requires access to organizational
resources that only administrators can authorize. Please ask the
administrator to authorize the use of this application before you can use it.
Why does this happen?
The most common cause is users not
having permission to complete OAuth consent screens for applications, unless
they are an admin within your Office 365 tenant. Enterprise apps like Gaia Workspace
use OAuth as a more secure way to authorize scoped access to your Office 365
tenant calendars vs. username and password.
Solution 1
Agree after logging into Gaia
Workspace using an administrator account to review permissions.
How can I allow the service
account to authenticate?
The easiest way to allow your service
account to connect is to enable
user access to Enterprise apps. From
your Office 365 Admin portal,
go to Admin Centers > Azure AD > Users and Groups > User
Settings then make sure "Users can consent
to apps accessing company data on their behalf" is enabled.
Perhaps after logging
into Azure, you can directly access this link address
https://aad.portal.azure.com/?l=en.en-us#view/Microsoft_AAD_IAM/ConsentPoliciesMenuBlade/~/UserSettings
Do I need to leave this setting enabled for
everyone?
Once you enable this setting, you
should be able to complete the authentication process with the service account
in Gaia Workspace, and users signing in via Office 365 SSO. If you do not
plan on using Office 365 for SSO in Gaia Workspace, you can disable this
setting once the service account is connected successfully.
Pro Tip
Comfortable with advanced
configurations in Office 365? You can also create a group policy to override
this setting for specific users (i.e. the Gaia Workspace service account)
instead of toggling tenant-wide.
References
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