I am troubleshooting a problem with migrating mailboxes from Exchange 2013. When I run the Microsoft remote connectivity test.
I find the below errors
Attempting to send an Autodiscover POST request to potential Autodiscover URLs.
Autodiscover settings weren't obtained when the Autodiscover POST request was sent.
The Microsoft Connectivity Analyzer is attempting to retrieve an XML Autodiscover response from URL https://server.domain.tld:443/Autodiscover/Autodiscover.xml for user user@domain.tld.
The Microsoft Connectivity Analyzer failed to obtain an Autodiscover XML response.
An HTTP 401 Unauthorized response was received from the remote Unknown server. This is usually the result of an incorrect username or password. If you are attempting to log onto an Office 365 service, ensure you are using your full User Principal Name (UPN).
HTTP Response Headers:
request-id: bef7ed5a-4e6a-4863-9313-543d7d5aae55
Server: Microsoft-IIS/8.5
WWW-Authenticate: Negotiate,NTLM,Basic realm="server.domain.tld"
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X-FEServer: server
Date: Thu, 13 Nov 2014 00:04:27 GMT
Content-Length: 0
The Microsoft Connectivity Analyzer is checking the host autodiscover.domain.tld for an HTTP redirect to the Autodiscover service.
The Microsoft Connectivity Analyzer failed to get an HTTP redirect response for Autodiscover.
An HTTP 403 forbidden response was received. The response appears to have come from Unknown. Body of the response:
HTTP Response Headers:
X-FEServer: server
Content-Length: 0
Date: Thu, 13 Nov 2014 00:04:26 GMT
Server: Microsoft-IIS/8.5
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Can anyone help me with this?