We have about 45 Exchange users and I do not have a spare box on which to reinstall Exchange Server. This process would require having to take everyone offline for quite some time. Do you have any suggestions?
Also, could I unregister the older DLL version?
As an alternative approach, you could use a utility -- such as Microsoft's Process Explorer for Windows -- to see exactly what DDL files are loaded. Then you can at least confirm that only the new DDL library is loaded.
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This was first published in September 2007