The Microsoft Connectivity Analyzer is testing Exchange ActiveSync.
The Exchange ActiveSync test failed.
Additional Details
Elapsed Time: 7470 ms.
Test Steps
Attempting the Autodiscover and Exchange ActiveSync test (if requested).
Testing of Autodiscover for Exchange ActiveSync failed.
Additional Details
Elapsed Time: 7470 ms.
Test Steps
Attempting each method of contacting the Autodiscover service.
The Autodiscover service couldn't be contacted successfully by any method.
Additional Details
Elapsed Time: 7470 ms.
Test Steps
Attempting to test potential Autodiscover URL https://-----xxx.com:443/Autodiscover/Autodiscover.xml
Testing of this potential Autodiscover URL failed.
Additional Details
Elapsed Time: 1877 ms.
Test Steps
Attempting to resolve the host name -----xxx.com in DNS.
The host name resolved successfully.
Additional Details
IP addresses returned: xxxxxxxx
Elapsed Time: 107 ms.
Testing TCP port 443 on host ------xxx.com to ensure it's listening and open.
The port was opened successfully.
Additional Details
Elapsed Time: 162 ms.
Testing the SSL certificate to make sure it's valid.
The SSL certificate failed one or more certificate validation checks.
Additional Details
Elapsed Time: 1607 ms.
Test Steps
The Microsoft Connectivity Analyzer is probing the TCP endpoint xxxxxx on port 443 to detect which SSL/TLS protocols and cipher suites are enabled.
We were able to detect the enabled protocols and cipher suites.
Additional Details
TLS Protocol: SSL v3, Not enabled. TLS Protocol: TLS 1.0, Not enabled. TLS Protocol: TLS 1.1, Not enabled. TLS Protocol: TLS 1.2, Enabled cipher suites: TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
The Microsoft Connectivity Analyzer is attempting to obtain the SSL certificate from remote server -----xxx.com on port 443.
The Microsoft Connectivity Analyzer successfully obtained the remote SSL certificate.
Additional Details
Remote Certificate Subject: CN=server39s.------.com, Issuer: CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US.
Validating the certificate name.
Certificate name validation failed.
Tell me more about this issue and how to resolve it
Additional Details
Host name ----xxx.com doesn't match any name found on the server certificate CN=server39s.-----e.com.
Attempting to test potential Autodiscover URL https://autodiscover.-----xxx.com:443/Autodiscover/Autodiscover.xml
Testing of this potential Autodiscover URL failed.
Additional Details
Elapsed Time: 5592 ms.
Test Steps
Attempting to resolve the host name autodiscover.------xxx.com in DNS.
The host name resolved successfully.
Additional Details
IP addresses returned: 46.209.112.91
Elapsed Time: 101 ms.
Testing TCP port 443 on host autodiscover.-----xxx.com to ensure it's listening and open.
The port was opened successfully.
Additional Details
Elapsed Time: 202 ms.
Testing the SSL certificate to make sure it's valid.
The certificate passed all validation requirements.
Additional Details
Elapsed Time: 4177 ms.
Test Steps
The Microsoft Connectivity Analyzer is probing the TCP endpoint xxxxxxx on port 443 to detect which SSL/TLS protocols and cipher suites are enabled.
We were able to detect the enabled protocols and cipher suites.
Additional Details
TLS Protocol: SSL v3, Not enabled. TLS Protocol: TLS 1.0, Not enabled. TLS Protocol: TLS 1.1, Not enabled. TLS Protocol: TLS 1.2, Enabled cipher suites: TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_256_GCM_SHA384, TLS_RSA_WITH_AES_128_GCM_SHA256, TLS_RSA_WITH_AES_256_CBC_SHA256, TLS_RSA_WITH_AES_128_CBC_SHA256, TLS_RSA_WITH_AES_256_CBC_SHA, TLS_RSA_WITH_AES_128_CBC_SHA
The Microsoft Connectivity Analyzer is attempting to obtain the SSL certificate from remote server autodiscover.-----xxx.com on port 443.
The Microsoft Connectivity Analyzer successfully obtained the remote SSL certificate.
Additional Details
Remote Certificate Subject: CN=mail.------xxx.com, Issuer: CN=mail.-----xxx.com.
Validating the certificate name.
The certificate name was validated successfully.
Additional Details
Host name autodiscover.-----xxx.com was found in the Certificate Subject Alternative Name entry.
Testing the certificate date to confirm the certificate is valid.
Date validation passed. The certificate hasn't expired.
Additional Details
The certificate is valid. NotBefore = 10/25/2020 9:04:35 PM, NotAfter = 10/25/2025 9:04:35 PM
Attempting to send an Autodiscover POST request to potential Autodiscover URLs.
Autodiscover settings weren't obtained when the Autodiscover POST request was sent.
Additional Details
Elapsed Time: 1111 ms.
Test Steps
The Microsoft Connectivity Analyzer is attempting to retrieve an XML Autodiscover response from URL https://autodiscover.-----xxx.com:443/Autodiscover/Autodiscover.xml for user xxx@-----xxx.com.
The Microsoft Connectivity Analyzer failed to obtain an Autodiscover XML response.
Additional Details
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: 63dd429a-9a85-46a1-b280-ad4509f061c4 Server: Microsoft-IIS/10.0 WWW-Authenticate: Negotiate WWW-Authenticate: NTLM WWW-Authenticate: Basic realm="autodiscover.-----xxx.com" X-Powered-By: ASP.NET X-FEServer: MAIL Date: Tue, 27 Oct 2020 06:15:11 GMT Content-Length: 0
Elapsed Time: 1111 ms.