Invalid username and password accessing OWA and ECP

Atle Johansen 101 Reputation points
2020-07-14T12:56:34.453+00:00

Hi

I have problem accessing the owa and ecp on Exchange Server 2016 on an Microsoft Server 2016.

I can reach the pages owa, ecp and localhost, but the error is:
Invalid username or password, please try again later

I have posted this topic and problem earlier. Follow this link: https://social.technet.microsoft.com/Forums/office/en-US/4da3f989-1a88-480e-88a7-06ae03386307/invalid-username-and-passorword-accessing-owa-and-ecp?forum=Exch2016SD#13c0a3e8-b5c3-4f0e-a0d3-6210403df1d0

Thank you for helping me.

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management

The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.

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Answer accepted by question author
Atle Johansen 101 Reputation points
2020-07-15T00:27:12.517+00:00

Thank you all for helping me with this problem.

This worked for me;

https://community.spiceworks.com/topic/514617-exchange-2013-unable-to-login-to-owa-ecp

This is the solution:
Using the commands :

Set-OWAVirtualDirectory -Identity "adminsrv\OWA (Default Web Site)" -FormsAuthentication $False -BasicAuthentication $True

Set-OWAVirtualDirectory -Identity "adminsrv\OWA (Default Web Site)" -FormsAuthentication $true -BasicAuthentication $True

Followed by IISreset and also to recycle the app pools for OWA and ECP

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  1. Lydia Zhou - MSFT 2,386 Reputation points Microsoft Employee
    2020-07-15T06:39:45.83+00:00

    Glad to hear that your issue is solved, and thanks for your sharing.
    Your resolution resetting FormsAuthentication and restarting IIS may help more people with similar issues.

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  2. Manu Philip 20,661 Reputation points MVP Volunteer Moderator
    2020-07-14T20:08:22.117+00:00

    Hello @AtleJohansen-1588,

    Have you tried to login in OWA and ECP from a different Computer/Mobile? Or from a different browser? In Google chrome, you can login in In-cognito mode to avoid any cookies to impact the connection.
    The link given shows that you are getting an error message "Can't reach the page - ERR_Connection_Reset", which can be fixed by deleting the cookies from the browser

    Please mark as "Accept the answer" if the above steps helps you. Your suggestion will help others also !

    Regards,
    Manu

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