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Can't open portal app getting error

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Posted on by rthompson

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Hi,

I can't open my portal app. Has anyone run across this issue. Here the error messages that I am seeing. Not sure if they are causing my problem.

I have deleted the portal app several times and I am still having the same issue.

Working with MS support team but they went home for the weekend.

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Justinjose 2,707 on at

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Hi rthompson,

Could you reset the portal and try

https://docs.microsoft.com/en-us/powerapps/maker/portals/admin/reset-portal

Thanks

Justin Jose

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rthompson 1,532 on at

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Hi Justin Jose,

Thanks for responding. I am willing to try anything.

I got the same error message and portal still hanging.

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Justinjose 2,707 on at

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Hi rthompson,

Could you run Portal checker. This will identify issues with a portal.

docs.microsoft.com/.../portal-checker

Thanks

Justin Jose

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rthompson 1,532 on at

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Hi Justin,

Thanks for responding back.

Yes. I tried running the portal-checker. Everything looks good.

I can run the portal. I can even login and clean the cache.

I just can't open the portal app to make changes.

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Justinjose 2,707 on at

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Hi rthompson,

have you tried in different browsers?

Thanks

Justin Jose

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rthompson 1,532 on at

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Hi Justin,

Yes. I have tried different browsers. Even the new Microsoft Edge.

Just no luck with opening the portal app.

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Justinjose 2,707 on at

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Hi rthompson,

have you tried turning off and turning on Portal state?

Thanks

Justin Jose

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rthompson 1,532 on at

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Hi Justin,

Just tried your suggestion. Still no luck.

All this error messages that I'm seeing in the browser contains this "has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource."

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Access to XMLHttpRequest at 'portalsitewide-nam.portal-infra.dynamics.com/.../GetPowerBIFeatureSettings from origin 'make.powerapps.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.

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