Use only OAB v4

This setting ensures that Outlook will only download OAB v4 from the server. Note that this registry key is not applicable to ANSI mode, which can only use OAB v2.

Supported on: At least Windows Vista
Registry HiveHKEY_CURRENT_USER
Registry PathSoftware\Policies\Microsoft\Exchange\Exchange Provider
Value NameOAB v4 Only
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

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