An Exchange 2007 server on which an address list service is

[stephen]

Solved: An Exchange 2007 server on which an address list service is active cannot be found.

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Microsoft Exchange Error
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The following error(s) occurred while saving changes:

set-mailbox
Failed
Error:
An Exchange 2007 server on which an address list service is active cannot be found.

The solution is to either start or restart the Microsoft Exchange System Attendant Service.