Create New OAB Frome Exchange 2013
Open Exchange Management Shell
Set-ADServerSettings -ViewEntireForest $true
Get-Mailbox -Arbitration | where {$_.PersistedCapabilities -like “*oab*”} | ft name,servername
Create a new OAB
New-OfflineAddressBook -Name “YSHVILI OAB” -AddressLists “\Default Global Address List” -VirtualDirectories “ex2013\OAB (Default Web Site)”
Force Exchange 2013 Update The OAB
Update-OfflineAddressBook “default offline address book”
RedMor:
http://blogs.technet.com/b/exchange/archive/2013/01/14/managing-oab-in-exchange-server-2013.aspx