How to solve Orchestrator 500.30 Internal Server Error After Installation

How to solve Orchestrator 500.30 Internal Server Error After Installation ?

Error in event viewer :

Scenario1 : If the IIS for application pools under identity does not have enough privileges in Database, change the identity to a custom user that has enough privileges, more information about the database roles required can be checked in here :

![](upload://yayp9eFGVz0cPgAtxGmP31PI86C.html)

Scenario 2: If the connection string of each application, check if the user being used in the connection string does have enough privileges in Database, more information about the database roles required can be checked in here . Connection string needs to be checked and modified for each of the 3 applications

Identity \ appsettings.Production.json

Webhooks \ appsettings.Production.json

UiPath.Orchestrator.dll.config

Modify <add name="Default" providerName="System.Data.SqlClient" connectionString="Data Source=LAPTOP-G0U9N0DI\SQLEXPRESS;Initial Catalog=UiPath;User ID=xxxxx;Password=xxxx" />