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Oab not updating exchange 2016 server

oab not updating exchange 2016 server-70

A good article to start with is Exchange 2013 interoperability with legacy Exchange Versions by Michael Van Horenbeeck. A single Exchange 2007 server and a single Exchange 2013 server. So I usually setup some dummy URLs on the 2013 side and test all the connections (OWA, EAS, OA).This article points out when Exchange 2013 will proxy connections to 2007 vs. Both servers are installed in the same Active Directory Site. This way I know all proxying and redirecting is working prior to making any user impacting changes.

oab not updating exchange 2016 server-90

There are three requirements for an SSL certificate to work correctly in your Exchange 2013 environment.In some cases this will be called a “Unified Communications” (UC) certificate by providers such as Digicert.A SAN certificate is an SSL certificate that has multiple server or domain names on the one certificate.Note: this trust issue only applies to the certificates installed on a dedicated Client Access server.The Mailbox server can use self-signed certificates because it does not accept direct client connections.A certificate that has been acquired from a commercial certificate authority such as Digicert will usually be valid for one year.

For a client to trust the SSL certificate that a server is using the certificate must be issued by a certificate authority that the client already trusts.

2013 will proxy connections back to 2007 for legacy mailboxes.

The external Host Name for both 20 should be the same, (webmail.domain.com).

Get-Exchange Certificate | Select Subject, Is Self Signed, Services | ft -auto Subject Is Self Signed Services ------- ------------ -------- CN=Microsoft Exchange Server Auth Certificate True SMTP CN=E15MB1 True IMAP, POP, IIS, SMTP CN=WMSvc-E15MB1 True None Although this means that services such as Outlook Web App, Outlook Anywhere, and Activesync are secure right from the moment the Exchange server is installed, the use of self-signed SSL certificates in Exchange Server 2013 is only intended to be temporary while the administrator acquires and installs the correct SSL certificates for the server.

Exchange 2013 uses a type of SSL certificate that is known as a “Subject Alternate Name” (SAN) certificate.

Likewise, when Exchange 2013 is introduced into the environment, the default values are derived from the server FQDN. The configurations that we will make should look something like this: Now, let’s look at some of the configuration.