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ECP and OWA shows 500 error after patch update
Hi. Today in an exchange environment with DAG configured with 2 servers, EmailA and EmailB we have installed some patches on the two servers: Update for Microsoft Windows (KB5010462) Security Updat...
Did you try to run updateconfigfiles.ps1 and updatecas.ps1 ?
Sometimes after upgrade or update these scripts are not executed corretly and can also render EAC or ECP inaccessible, causing HTTP ERROR 500 after login.
These PowerShell scripts located in the Exchange Server ‘Bin’ directory (C:\Program Files\Microsoft\Exchange Server\V15\Bin\) to resolve the error. You can run from PS command line.