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When LabVIEW connects to another VI across a network or the internet, it uses the IP address of the host computer and the name of the target VI to remotely connect to the application. This error message can be caused if it is not in memory on the server or if the name is not entered correctly on the client.
VI Not in Memory on Server
A VI is considered to be in memory whenever it is open (or running) on the server machine.
VI Name Incorrect on Client
The following factors should also be checked as any one of them or a combination can also lead to this error:
1. The Web Server is enabled (Tools»Options»Web Server: Configuration)2. Access to a remote machine(s) is enabled (Tools»Options»Web Server: Browser Access)3. The VI is set as a visible VI (Tools»Options»Web Server»Visible VIs)
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