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Citrix published application requesting credentials to send email via mapi
I have a published application "ABC" in Citrix Xenapp 6.5. The location specified in the application properties is another server. This application has recently had a functionality added where it ca...
yes, the nature of the logon box shows that it is using basic authentication instead of modern auth. For Outlook 2013 you must deploy these two registry keys:
HKCU\SOFTWARE\Microsoft\Office\15.0\Common\Identity\EnableADAL REG_DWORD 1
HKCU\SOFTWARE\Microsoft\Office\15.0\Common\Identity\Version REG_DWORD 1
https://docs.microsoft.com/en-us/microsoft-365/admin/security-and-compliance/enable-modern-authentication?view=o365-worldwide
And you also must make sure modern authentication is enabled for Exchange Online as described here:
https://docs.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/enable-or-disable-modern-authentication-in-exchange-online#enable-or-disable-modern-authentication-in-exchange-online-for-client-connections-in-outlook-2013-or-later
HKCU\SOFTWARE\Microsoft\Office\15.0\Common\Identity\EnableADAL REG_DWORD 1
HKCU\SOFTWARE\Microsoft\Office\15.0\Common\Identity\Version REG_DWORD 1
https://docs.microsoft.com/en-us/microsoft-365/admin/security-and-compliance/enable-modern-authentication?view=o365-worldwide
And you also must make sure modern authentication is enabled for Exchange Online as described here:
https://docs.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/enable-or-disable-modern-authentication-in-exchange-online#enable-or-disable-modern-authentication-in-exchange-online-for-client-connections-in-outlook-2013-or-later