Start Windows Powershell
Execute one of the following blocks
Office 2007
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\12.0\Outlook\AutoDiscover -Name ExcludeScpLookup -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\12.0\Outlook\AutoDiscover -Name ExcludeHttpsRootDomain -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\12.0\Outlook\AutoDiscover -Name ExcludeSrvRecord -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\12.0\Outlook\AutoDiscover -Name EnableOffice365ConfigService -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\12.0\Outlook\AutoDiscover -Name ExcludeExplicitO365Endpoint -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\12.0\Outlook\AutoDiscover -Name ExcludeLastKnownGoodURL -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\12.0\Outlook\AutoDiscover -Name Timeout-Value 10 -PropertyType DWORD -Force
———————–
Office 2010
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\14.0\Outlook\AutoDiscover -Name ExcludeScpLookup -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\14.0\Outlook\AutoDiscover -Name ExcludeHttpsRootDomain -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\14.0\Outlook\AutoDiscover -Name ExcludeSrvRecord -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\14.0\Outlook\AutoDiscover -Name EnableOffice365ConfigService -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\14.0\Outlook\AutoDiscover -Name ExcludeExplicitO365Endpoint -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\14.0\Outlook\AutoDiscover -Name ExcludeLastKnownGoodURL -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\14.0\Outlook\AutoDiscover -Name Timeout-Value 10 -PropertyType DWORD -Force
———————–
Office 2013
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\15.0\Outlook\AutoDiscover -Name ExcludeScpLookup -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\15.0\Outlook\AutoDiscover -Name ExcludeHttpsRootDomain -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\15.0\Outlook\AutoDiscover -Name ExcludeSrvRecord -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\15.0\Outlook\AutoDiscover -Name EnableOffice365ConfigService -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\15.0\Outlook\AutoDiscover -Name ExcludeExplicitO365Endpoint -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\15.0\Outlook\AutoDiscover -Name ExcludeLastKnownGoodURL -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\15.0\Outlook\AutoDiscover -Name Timeout-Value 10 -PropertyType DWORD -Force
———————–
Office 2016/2019/2021/365
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\16.0\Outlook\AutoDiscover -Name ExcludeScpLookup -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\16.0\Outlook\AutoDiscover -Name ExcludeHttpsRootDomain -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\16.0\Outlook\AutoDiscover -Name ExcludeSrvRecord -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\16.0\Outlook\AutoDiscover -Name EnableOffice365ConfigService -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\16.0\Outlook\AutoDiscover -Name ExcludeExplicitO365Endpoint -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\16.0\Outlook\AutoDiscover -Name ExcludeLastKnownGoodURL -Value 1 -PropertyType DWORD -Force
New-ItemProperty -Path HKCU:\Software\Microsoft\Office\16.0\Outlook\AutoDiscover -Name Timeout-Value 10 -PropertyType DWORD -Force
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Restart Windows