Dont run in Exchange server 2016

[ehsanr1366]

Hi. I use your owa module. in one server (2016) exchange login normally and Init function is called but Exchange don't call Context_PostAuthorizeRequest.

I get my only this path after run:
Path: owa/exhealth.check

Note: After and before adding owa module, users login successfully without any problem. but 2fa not run.

I can run it on other server 2019 successfully.

you have any solution for my problem?

[ilyacherevkov]

Hi there.

Check that you've added
<add type="MultiFactor.IIS.Adapter.Owa.Module, MultiFactor.IIS.Adapter" name="MFA" />
as the first line into the <modules> section in web.config file
C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\Owa\web.config.

Also make sure you've got other steps configured correctly as per our manual:
https://multifactor.pro/docs/outlook-web-access-2fa/#owa-configuration

[ehsanr1366]

Hi. Thanks for reply

Yes. I use your dll very well on other servers. but on this server (2016 CU23) we have problem.

It is loaded, because my logs on init function and begin_request is write on events.

But Context_PostAuthorizeRequest func is never called.

[ilyacherevkov]

Please check events in EventViewer for any OWA extension errors.