Cannot Connect to Server After Database Upgrade

I tried to upgrade the system to 2024.2 and installed Epicor ERP_Service Packs_RL11.3.200.0 and Epicor ERP_11.3.200_UD11.3.200.4 and then opened Admin Console to upgrade the DB , after that tried to connect the Application Server but i have this error
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What’s on event viewer? Also what’s the full error?
What version did you come from?

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I just went through this, and it may be what’s happening with you. After installing a new Demo Database, the endpoint on the properties of the App Server was incorrect:

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If you right click on the Application Server in the EAC and choose “Properties”, check this setting and see if it is correct.

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Thank you gentlemen it was a problem with the Certificate

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Hi,

May i know what wrong with the certification?

And how you manage to resolve it?

Sorry for the late reply but the problem was I chose the wrong .lic file