This article was previously published under Q162012
This article has been archived. It is offered "as is" and will no longer be updated.
In a Microsoft Exchange Server Site, with multiple Servers, you may chooseto change the Routing Calculation Server on the Site Addressing propertypage in the Microsoft Exchange Administrator program. After making thechange, the Apply button is grayed out and if you click the OK button andreopen the property page to check the setting, the Routing CalculationServer will be set back to the original Server.
After changing the Server selection, select and deselect the Share AddressSpace with other X.400 Systems checkbox. This will enable the Apply buttonand allow you to successfully change the Routing Calculation Server.
Microsoft has confirmed this to be a problem in Exchange Server 4.0. It hasbeen corrected in Exchange Server 5.0.