What is Autodiscover certificate?

Autodiscover works for client applications inside and outside firewalls and in resource forest and multiple forest scenarios. For EWS clients, Autodiscover is typically used to find the EWS endpoint URL, but Autodiscover can also provide information to configure clients that use other protocols.

Do you need a certificate for Autodiscover?

The initial configuration of Autodiscover requires that you have a Digital Certificate properly installed on your Exchange Server. If you use a Multi-Role configuration (No longer recommended by MS for Exchange versions after 2010), the Certificate should be installed on the CAS server.

How do I fix a certificate error in Outlook 2016?

How Do I Fix a Security Certificate Error in Outlook

  1. Verify the Certificate Name. The first thing you should do is to check whether the name of the certificate and the mail server is the same or not.
  2. Use Domain Name of your Hosting as Mail Server.
  3. Use Unsecure Port.
  4. Change the Outgoing SMTP Port.

How do I verify Autodiscover?

Holding down CTRL, right click on the Outlook icon in your system tray. This will give you a few additional options including “Test Email AutoConfiguration…”. In the window that appears enter a set of valid credentials, make sure to leave only “Use Autodiscover” selected and click “Test”.

What is an autodiscover record and why do I need it?

What is Autodiscover and why is it important? Autodiscover is a service that automatically configures email clients, such as Outlook. It is a necessary requirement for correct access and smooth operation of your Hosted Exchange service.

How do I create an Autodiscover record?

How To Create an Autodiscover Record

  1. Log on to your internal DNS server or domain controller.
  2. Click Start, click Administrative Tools, and then click DNS.
  3. Click to expand.
  4. Click to expand Forward Lookup Zones.
  5. Select the domain for which you would like to create an Autodiscover record.

Do you need SSL cert for 365?

To encrypt communications between your clients and the Microsoft 365 environment, third-party Secure Socket Layer (SSL) certificates must be installed on your infrastructure servers. This article is part of Network planning and performance tuning for Microsoft 365.

How do I get rid of certificate errors in Outlook?

As the Outlook security certificate error appears, click on View Certificate. Select the Issued to Name option and check whether the name on the certificate is the same as the mail server. If both are not the same, change it and then restart the Outlook application.

How do I fix certificate problems in Outlook?

Resolution 2: Install the trusted root certificate for error message 3

  1. Click Install Certificate when you’re prompted with the Certificate dialog box.
  2. Click Next.
  3. Click to select the Place all certificate in the following store check box.
  4. Click Browse.
  5. Click Trusted Root Certification Authorities > OK.
  6. Click Next.

How do I run Autodiscover?

To run the test:

  1. Enter your primary email address (UPN) into both Email address and Domain\User Name fields.
  2. Enter your mailbox password into the Password field.
  3. Select Use Autodiscover to detect server settings.
  4. Enter the captcha and click Verify.

How do I view Autodiscover XML?

You can use the Test E-mail AutoConfiguration option in Outlook or the AutoDiscover tests in Microsoft Remote Connectivity Analyzer to retrieve the AutoDiscover response. The good news is you can also use a PowerShell one-liner or function to retrieve it.