Oab not updating on cas server
This cmdlet is available only in Exchange Server 2010.
Use the Update-File Distribution Service cmdlet to access the Microsoft Exchange File Distribution service to poll for offline address book (OAB), Group Metrics, and Unified Messaging (UM) configuration and data.
The Type parameter takes the following values: The What If switch simulates the actions of the command.
You can use this switch to view the changes that would occur without actually applying those changes.
-------------------------- Example 1 -------------------------- The Domain Controller parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.
You identify the domain controller by its fully qualified domain name (FQDN). The Type parameter specifies whether to reload OAB, Unified Messaging, or Group Metrics data.
You don't need to specify a value with this switch.
To see the input types that this cmdlet accepts, see Cmdlet Input and Output Types (https://go.microsoft.com/fwlink/p/? If the Input Type field for a cmdlet is blank, the cmdlet doesn't accept input data.
Clients will contact the mailbox server on which the OAB files are and downloads directly using Auto Discover.
For information about the parameter sets in the Syntax section below, see Exchange cmdlet syntax (https://technet.microsoft.com/library/bb123552.aspx).
The Update-File Distribution Service cmdlet forces the Microsoft Exchange File Distribution service to reload its configuration and poll for new data associated with OAB, Group Metrics, and Unified Messaging configuration.
In all the previous versions of exchange Microsoft Exchange System Attendant (SA) was responsible for the OAB generation process.
And the OAB generation was a scheduled activity, which will run according to the schedule regardless of the server load. According to the available information, outlook 2003 might not go with Exchange Server 2013(as usual to arhive clients). folder and is shared with Exchange CAS server for delivering it to the clients.