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PI Vision Display Utility Can't Connect to PI Vision Server (Internal Server Error)

fgrigore

I am trying to use the PI Vision Display utility on our PI vision server and it can't seem to connect to the PI vision server when I type it in. It results in an Internal Server Error red x. The PI Vision weblink has been working for months, we just haven't had a need to use the PI Vision Display Utility tool until now.

Some potential helpful background, we have a certificate issue on our PI vision weblink. That could be related to the issue.

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    If you hover your mouse cursor over the red x, you should get more information about why the connection failed. A certificate issue could explain it. If you can't figure it out, I'd recommend talking to support.

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    This is now solved. The way I found this was a bit convoluted, but the web.config file in the PIPC\PIVision\Utility folder had the following string in the authorization section:

     

     <add accessType="Allow" roles="PI Vision Admins" />

     

    When I took a look at the web.config file in the PIPC\PIVision\ folder, I found that the string already existed. This would result in a duplicate key issue for the Utility site, since it inherits the parent web config file. All I did was remove the string above from the web.config file in the PIPC\PIVision\Utility folder and save. This instantly resolved the issue.