Represents the message keys that can be returned by response error messages Converts the passed source ids into the destination format. Change keys are not returned. Response type for the ConvertId web method Response Message for a single id conversion in the ConvertId web method. Note that the AlternateId element will be missing in the case of an error. Request type for the FindMailboxStatisticsByKeywords web method. Response type for the FindMailboxStatisticsByKeywords web method. Response message type for the FindMailboxStatisticsByKeywords web method. Request type for the GetSearchableMailboxes web method. Response message type for the GetSearchableMailboxes web method. Request type for the SearchMailboxes web method. Response type for the SearchMailboxes web method. Response message type for the SearchMailboxes web method. Request type for the GetDiscoverySearchConfiguration web method. Response message type for the GetDiscoverySearchConfiguration web method. Request type for the GetHoldOnMailboxes web method. Response message type for the GetHoldOnMailboxes web method. Request type for the SetHoldOnMailboxes web method. Response message type for the SetHoldOnMailboxes web method. Request type for the GetNonIndexableItemStatistics web method. Response message type for the GetNonIndexableItemStatistics web method. Request type for the GetNonIndexableItemDetails web method. Response message type for the GetNonIndexableItemDetails web method. Request type for the GetUserRetentionPolicyTags web method. Response message type for the GetUserRetentionPolicyTags web method.