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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Do not validate personal Contact Groups when sending e-mail messages

Use only the local cache to obtain current user information when expanding a Personal Contact Group while sending e-mail

Registry Information

VendorMicrosoft
ProductMicrosoft Outlook 2016
CategoryMicrosoft Outlook 2016 › Account Settings › Exchange
Applies toUser Configuration
Supported onWindows7
Registry Key[HKCU]softwarepoliciesmicrosoftoffice16.0outlookoptionsmail
Value Nameexpandpdlusingcache
TypeREG_DWORD
Enabled value0
Disabled value1

Registry File (.reg)

Windows Registry Editor Version 5.00

; Enable the policy
[HKEY_CURRENT_USERsoftwarepoliciesmicrosoftoffice16.0outlookoptionsmail]
"expandpdlusingcache"=dword:00000000

; Disable the policy
[HKEY_CURRENT_USERsoftwarepoliciesmicrosoftoffice16.0outlookoptionsmail]
"expandpdlusingcache"=dword:00000001

PowerShell

# Enable the policy
Set-ItemProperty -Path "HKCU:softwarepoliciesmicrosoftoffice16.0outlookoptionsmail" -Name "expandpdlusingcache" -Value 0 -Type DWord

# Disable the policy
Set-ItemProperty -Path "HKCU:softwarepoliciesmicrosoftoffice16.0outlookoptionsmail" -Name "expandpdlusingcache" -Value 1 -Type DWord