You can use RegMon and RegFile utilities from http://www.sysinternals.com/ntw2k/source/regmon.shtml to record what registry entries and files where afected by the patch.

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>To help our support team, I am going to add some extras to my tools package that will allow them to interrogate the registry to see if the settings have been applied to fix the 1104 error reading file with W2K/TS etc. If not, it can write them.
>However, I have no idea how to determine if the redirectory patch has been applied? Is there a specific key I can look for? Any ideas appreciated