Get Receive Connector Certificate Thumbprint, Dec 18, 2025 · Troubleshoot issues with certificates In most cases, the following certificate-related issues affect hybrid functionality: Certificate type: The certificate used for secure hybrid transport and defined in the Hybrid Configuration wizard must be issued from a commercial CA. i went to certificates and added the new wildcard certificate and noted the thumbprint. Use the Get-ReceiveConnector cmdlet to view Receive connectors on Mailbox servers and Edge Transport servers. See update at bottom. . i followed the below steps but how do i validate tls certificate is renewed for these connectors Apr 16, 2021 · When certificates needs to be renewed or changed on (on-premise) Exchange server’s, and you have Microsoft 365 hybrid setup though Hybrid Configuration Wizard, a Office 365 connecter is setup as send and receive: Receive: Send: If you try to delete the old certificate, without setting the new cert for the connectors, you will get this in ECP: Jun 25, 2025 · To avoid disruptions to mail flow, Exchange Server prevents a certificate from being removed if the issuer name and subject name are specified in the TlsCertificateName property of any Send connector. You can't use self-signed certificates for hybrid transport authentication. If the TlsCertificateName value matches both the old and the new certificate, Exchange Server will prevent Jun 26, 2021 · Greetings, I have single, Exchange 2013 server running in Full Hybrid Mode. Jul 8, 2020 · if you are using a Office 365 Hybrid Connector. Get-ReceiveConnector cmd is not very helpful in this case. Apr 7, 2022 · Hi All I am using exchange 2016 hybrid environment. lets say my domain is contoso. Feb 11, 2018 · The situation is similar for wildcard certificates, where the corresponding wildcard entry is normally set as the common name and SAN attribute (e. Hint: All commands are executed via Exchange Management Shell. de). contoso. There are no on-premise mailboxes Today, mail stopped flowing and I realized the SSL Cert had expired. If the connector isn’t bound to a valid certificate, Exchange won’t advertise STARTTLS. Feb 15, 2016 · How to correctly configure the TlsCertificateName on Exchange Server receive connectors to allow SMTP clients to securely authenticate without errors. New certificate is from same issuer as the old certificate. We'll start with getting the thumbprint of the certificate using the Get-ExchangeCertificate cmdlet: This cmdlet is available only in on-premises Exchange. Get a list of all i… May 9, 2025 · You can also set the TlsCertificateName value on the Receive connector by performing the following steps: Retrieving Thumbprint of a valid SMTP-enabled third-party certificate. For information about the parameter sets in the Syntax section below, see Exchange cmdlet syntax. Configuring the receive and send connector First, the thumbprint of the Receive Connector Zertifikate Inhaltsverzeichnis Kurzfassung Connectorwahl TLS-Auswahl STARTTLS TLSCertname Default Certificate TLS abfragen Banner Problem: Hostname <> Public Externe Receive Connectoren Exchange Hybrid Routing Zusammenfassung Weitere Links Jul 1, 2021 · This tutorial describes how to install or replace a SSL/TLS certificate on a on-premise Microsoft Exchange Server. To solve the problem, however, it is not necessary to replace the certificate; it is sufficient to configure the send and receive connectors accordingly. Aug 22, 2025 · How to renew certificate in Exchange Hybrid? Use the commands or rerun the Hybrid Configuration Wizard and select the new certificate. Receive connectors listen for inbound SMTP connections on the Exchange server. May 29, 2020 · I have spent 10+ hours working with Microsoft's support to configure a hybrid setup between our On-Premises Exchange 2016 Server and Azure AD environments and are currently stuck on an error (see below) when trying to assign the TlsCertificateName value to the On-Premises Receive Connector. *. Feb 21, 2024 · I'd like to confirm the certificate details assigned to a receive connector in exchange 2016 server, like certificate Thumbprint and FriendlyName. I had to renew (actually update) our hybrid Exchange 2016's certificate. frankysweb. I assigned the new cert to the same services as the old one and said yes when asked if I want to overwrite. The format of the TlsCertificateName property value is "<I>IssuerName<S>SubjectName". Dec 5, 2023 · How to get Exchange certificate with PowerShell? You will learn the PowerShell commands that you can use to get the Exchange certificate. com and i am using wild certificate *. com which has expired. To firstly get the thumbprint of the certificate you want to use, you can run the following command from the Exchange Management Shell: Mar 31, 2018 · In this article we are going to configure a certificate that was issued by a third part authority to the Client Frontend receive connector. If you have multiple certificates with the same FQDN, you can see which certificate Exchange selects by using the DomainName parameter to specify the FQDN. You need to replace the certificate in the connector So that the connector keep workings as its assigned. Replacing a certificate on a send connector Solved. Feb 3, 2022 · In this example, we will be setting the TLS Certificate Name on our Client Frontend Receive Connector. How could I collect this info. g. (Woops!) I quickly renewed the SSL Ce… A Send connector or Receive connector selects the certificate to use based on the fully qualified domain name (FQDN) of the connector. Aug 19, 2025 · After renewing an SMTP certificate, the Receive Connector may still reference the old certificate in its TlsCertificateName property.
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