Exchange ECP (Invalid Credential)

Question

Hi
I've faced bad problem about ECP authentication i can't solve it
when i try to logging with ECP it gives me a error that "the user or password you've entered is incorrect"
also i have tried to fully recreate the ECP virtual directory on both Default Web Site and Exchange Back End
I even removed all configuration about ECPApplicationPool on applicationHost.config file
i did everything but i got same error yet
Plz help me ! now users cant open their mailbox setting at OWA cause ECP authentication error
at ECP Default Web site :
basic and anonymous authentication is enabled
at ECP exchange Back End :
Windows and anonymous authentication is enabled
also when i run test-ecpconnectivity it returns:
WARNING: The test couldn't test the internal URL of this virtual directory, because the InternalURL property isn't set.

Answer 1

Get-EcpVirtualDirectory | fl *url,*authentication
InternalUrl : https://&&&&&&/ecp
ExternalUrl : https://*******/ecp
BasicAuthentication : True
WindowsAuthentication : False
DigestAuthentication : False
FormsAuthentication : True
LiveIdAuthentication : False
AdfsAuthentication : False
OAuthAuthentication : FalseGet-owaVirtualDirectory | fl *url,*authentication Url : {}SetPhotoURL : Exchange2003Url : FailbackUrl : InternalUrl : https://&&&&&&&/owaExternalUrl : https://******/owaBasicAuthentication : TrueWindowsAuthentication : FalseDigestAuthentication : FalseFormsAuthentication : TrueLiveIdAuthentication : FalseAdfsAuthentication : FalseOAuthAuthentication : False