If you deploy Exchange in this configuration, and your network supports IPv4 and IPv6, all Exchange servers can send data to and receive data from devices, servers, and clients that use IPv6 addresses. Furthermore, you can't install the Exchange server and then remove the domain controller from the Active Directory site.Įxchange 2019 supports the following DNS namespaces:įor more information about DNS namespaces that are supported by Exchange, see KB2269838.Įxchange 2013 and later support IPv6 only when IPv4 is also installed and enabled on the Exchange server.
The Active Directory site where you install the Exchange Server must contain at least one writeable domain controller that's also a global catalog server, or the installation will fail.
The Active Directory forest functional level is Windows Server 2012 R2 or higher. Windows Server 2012 R2 Standard or Datacenter.
Windows Server 2016 Standard or Datacenter.Windows Server 2019 Standard or Datacenter.Windows Server 2022 1 Standard or Datacenter.The requirements for the network and the directory servers in your Exchange 2019 organization are described in the following table: ComponentĪll domain controllers in the forest need to be running one of the following versions of Windows Server: Network and directory server requirements for Exchange 2019 For more information about specific hybrid deployments, see Hybrid deployment prerequisites. Supported hybrid deployment scenarios for Exchange 2019Įxchange 2019 supports hybrid deployments with Microsoft 365 or Office 365 organizations that have been upgraded to the latest version of Microsoft 365 or Office 365. Supported if all Exchange 2013 and Exchange 2016 servers in the organization meet the requirements as previously described in this table. Mixed Exchange 2013 and Exchange 2016 organization Supported with Exchange 2016 CU11 or later on all Exchange 2016 servers in the organization, including Edge Transport servers. Supported with Exchange 2013 Cumulative Update 21 (CU21) or later on all Exchange 2013 servers in the organization, including Edge Transport servers. The supported coexistence scenarios between Exchange 2019 and earlier versions of Exchange are described in the following table: Exchange version Supported coexistence scenarios for Exchange 2019 To actually install Exchange 2019, see Deploy new installations of Exchange. Also, make sure you understand the coexistence scenarios that are supported for Exchange 2019 and earlier versions of Exchange. Before you install Exchange Server 2019, we recommend that you review this topic to ensure your network, hardware, software, clients, and other elements meet the requirements for Exchange 2019.
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