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Why Do I Get Error -50204 When I Initialize a Scope Session?

Primary Software: Driver Software>>NI-SCOPE
Primary Software Version: 2.6
Primary Software Fixed Version: 2.7
Secondary Software: Driver Software>>NI-DAQmx
Hardware: Modular Instruments>>High-Speed Digitizers (Scopes)

Problem:
I have installed NI-SCOPE 2.5 or 2.6 and then upgraded NI-DAQmx to version 8.5. When I initialize a Scope session, the following error is returned: "niPAL error -50204 occurred: The specified file could not be opened. The operation could not be completed as specified." Why does this error occur and how can I fix it?

Solution:
NI-SCOPE 2.5 and 2.6 are incompatible with NI-DAQmx 8.5 and 8.6. Installing a newer version of NI-SCOPE (version 2.7 or later) or NI-DAQmx (version 8.7 or later) should fix this problem. You can download the latest drivers by following the related links below.

Related Links:
Drivers and Updates: High-Speed Digitizers
Drivers and Updates: Data Acquistion (NI-DAQmx)
Developer Zone Tutorial: High-Speed Digitizer (Scope) Driver Support

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Report Date: 06/03/2008
Last Updated: 06/16/2008
Document ID: 4M2HHRLY

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