History of Microsoft Exchange Server Microsoft had sold a number of simpler email products before, but the first release of Exchange Exchange Server 4. As of , there have been nine releases. Current version[ edit ] The current version, Exchange Server ,  was released in October One of the key features of the new release is that Exchange Server can be deployed onto Windows Server Core for the first time, additionally Microsoft has retired the Unified Messaging feature of Exchange, meaning that Skype for Business on-premises customers will have to use alternative solutions for voicemail, such as Azure cloud voicemail.
New features[ edit ] Security: Exchange Server also introduced active-active clustering, but for two-node clusters only. In this setup, both servers in the cluster are allowed to be active simultaneously. This is opposed to Exchange’s more common active-passive mode in which the failover servers in any cluster node cannot be used at all while their corresponding home servers are active. They must wait, inactive, for the home servers in the node to fail.
Subsequent performance issues with active-active mode have led Microsoft to recommend that it should no longer be used. Exchange’s clustering active-active or active-passive mode has been criticized because of its requirement for servers in the cluster nodes to share the same data. The clustering in Exchange Server provides redundancy for Exchange Server as an application, but not for Exchange data.
This type of cluster can be inexpensive and deployed in one, or “stretched” across two data centers for protection against site-wide failures such as natural disasters. The limitation of CCR clusters is the ability to have only two nodes and the third node known as “voter node” or file share witness that prevents “split brain”  scenarios, generally hosted as a file share on a Hub Transport Server.
The second type of cluster is the traditional clustering that was available in previous versions, and is now being referred to as SCC Single Copy Cluster. It is designed to allow for data replication to an alternative drive attached to the same system and is intended to provide protection against local storage failures. It does not protect against the case where the server itself fails. Unlike CCR, which requires that both servers belong to a Windows cluster typically residing in the same datacenter, SCR can replicate data to a non-clustered server, located in a separate datacenter.
For information on hybrid deployments, see Exchange Server Hybrid Deployments. It’s a free online tool that helps you quickly deploy Exchange Server in your organization by asking you a few questions and creating a customized deployment checklist just for you.
To actually install Exchange and Exchange , see Deploy new installations of Exchange. What do you need to know before you begin? Verify that your Active Directory meets the requirements for Exchange Exchange Network and directory servers.
The full installation option of Windows Server and Windows Server R2 must be used for all servers running Exchange server roles or management tools. Some prerequisites require you to reboot the server to complete installation. Note You can’t upgrade Windows from one version to another, or from Standard to Datacenter, when Exchange is installed on the server.
Verify the Supported operating systems for Exchange or Supported operating systems for Exchange Note New to Exchange is the ability to upgrade your operating system to a newer version while Exchange is installed on Windows Server or later.
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Discount Microsoft Exchange Server 2019 Standard
Licensing Security at the core Exchange runs on Windows Server Core, providing the most secure and reliable platform possible for your messaging infrastructure. Improved Performance Exchange Server uses available processor cores, memory and storage more effectively than ever before, as well as more intelligently managing internal system resources to help improve end-user performance. Security Exchange Server is more secure than any previous version out of the box, ensuring only the newest ciphers and hashing algorithms are used to protect your data. Simpler Administration Exchange Server makes administration easier for common tasks such as calendar and delegate management. Mobile productivity Connect, organize, get things done on the go. Outlook mobile is the most secure and compliant way to access Exchange Online on your mobile device. Related products.