CORS - Error While calling rest API Authenticate -- Calling api method from angular app

[Pawan_Jha]

Access to XMLHttpRequest at ‘…/api/Account/Authenticate’ from origin
‘http://localhost:4200’ has been blocked by CORS policy:
Response to preflight request doesn’t pass access control check: It does not have HTTP
ok status.

[loginerror (Maciej Kuźmicz)]

Hi @Pawan_Jha

Please give us more context.

[Pawan_Jha]

Hi,

we have an web application and we are trying to add assets from the application. So will you please help me what to do please.
I am trying to access the api http://domain/odata/Assets from web application using javascript

[loginerror (Maciej Kuźmicz)]

Hi @Pawan_Jha

Please refer to this thread, I hope it’s helpful:

Orchestrator API access - CORS policy

So finally we figured out what the issue was! For a couple of weeks ago, we installed a CORS module on the IIS and changed the web.config accordingly. However, the changes in the web.config related to the CORS module did not work at all. So we removed the CORS module part again. But what we realized was that the IIS server needs to be rebooted after a module is installed. So after a complete reboot, we could add the CORS module section to the web.config which resulted in a working API …