GPO tool

Group Policy made searchable

A free ADMX browser or comparison tool for IT administrators.Search policies, find registry keys, and see exactly what each setting writes to the Windows Registry. Or compare two GPO backups to see exactly what has changed between them.

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Autodiscover is always capable of using modern authentication

This policy setting controls whether Autodiscover is always capable of using modern authentication, regardless of the authentication methods supported by the primary mailbox connection type.

By default, Autodiscover only uses authentication methods that are supported by the primary mailbox connection type. Modern authentication won't always be one of the supported authentication methods for some connection types.

If you enable this policy setting, Autodiscover is always capable of using modern authentication, regardless of the authentication methods supported by the primary mailbox connection type. Enabling this policy setting may result in additional prompts for users to provide their password, when modern authentication is used, but not supported for the connection type.

If you disable or don’t configure this policy setting, Autodiscover will only use authentication methods supported by the primary mailbox connection type.

Registry Information

VendorMicrosoft
ProductMicrosoft Outlook 2016
CategoryMicrosoft Outlook 2016 › Account Settings › Exchange
Applies toUser Configuration
Supported onWindows7
Registry Key[HKCU]softwarepoliciesmicrosoftexchange
Value Namealwaysusemsoauthforautodiscover
TypeREG_DWORD
Enabled value1
Disabled value0

Registry File (.reg)

Windows Registry Editor Version 5.00

; Enable the policy
[HKEY_CURRENT_USERsoftwarepoliciesmicrosoftexchange]
"alwaysusemsoauthforautodiscover"=dword:00000001

; Disable the policy
[HKEY_CURRENT_USERsoftwarepoliciesmicrosoftexchange]
"alwaysusemsoauthforautodiscover"=dword:00000000

PowerShell

# Enable the policy
Set-ItemProperty -Path "HKCU:softwarepoliciesmicrosoftexchange" -Name "alwaysusemsoauthforautodiscover" -Value 1 -Type DWord

# Disable the policy
Set-ItemProperty -Path "HKCU:softwarepoliciesmicrosoftexchange" -Name "alwaysusemsoauthforautodiscover" -Value 0 -Type DWord