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Why does my process not receive events on mapped network drives?

CallbackFilter can intercept requests that either originate on the local computer (i.e. the system CallbackFilter works on) or come to this system for processing. It can not monitor events that are initiated and processed remotely.

Example:

You have a server S that shares disk ServerDisk. Client C has mounted disk \\S\ServerDisk as disk Z: . Your system M is a monitor with CallbackFilter installed. M also has mounted \\S\ServerDisk as disk T: . Now if some process on M accesses disk T, CallbackFilter handles this access. If some process on C accesses disk Z:, requests go from C to S and never reach M. M has no way to be informed about changes on remote ServerDisk, so CallbackFilter can't handle such requests. If the operation is performed locally on S, CallbackFilter can't handle such requests either.

Example 2:

You have a server S that shares disk ServerDisk. Client C has mounted disk \\S\ServerDisk as disk Z: . Client C2 has mounted disk \\S\ServerDisk as disk T:. CallbackFilter is installed on S. Now if some process on C accesses disk Z:, CallbackFilter handles this access. If some process on C2 accesses disk T:, CallbackFilter can handle such requests as well. If the operation is performed locally on S, CallbackFilter handles such requests fine.


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As of July 15, 2016 EldoS Corporation will operate as a division of /n software inc. For more information, please read the announcement.

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