Exchange 2020 mailbox server role requirements calculator

Here is a calculator to help you determine the minimum requirements for a Microsoft Exchange 2020 Mailbox Server role:

Calculator:

Number of Mailboxes:

• How many mailboxes do you plan to host on this server? (approximate)

Mailbox Size:

• What is the average size of a mailbox on this server? (in MB)

Storage Requirements:

• The minimum storage requirement for a mailbox server is 2 GB per mailbox, plus 1 GB for the operating system and other files. Let's calculate the total storage requirement:

Total Storage Requirement = (Number of Mailboxes x Average Mailbox Size) + 1 GB

CPU Requirements:

• The minimum CPU requirement for a mailbox server is 2 CPU cores. However, Microsoft recommends at least 4 CPU cores for a mailbox server.

Memory Requirements:

• The minimum memory requirement for a mailbox server is 8 GB. However, Microsoft recommends at least 16 GB of memory for a mailbox server.

Disk Space Requirements:

• The minimum disk space requirement for a mailbox server is 2 GB per mailbox, plus 1 GB for the operating system and other files. Let's calculate the total disk space requirement:

Total Disk Space Requirement = (Number of Mailboxes x Average Mailbox Size) + 1 GB

Network Requirements:

• The minimum network requirement for a mailbox server is a 1 GbE network connection. However, Microsoft recommends a 10 GbE network connection for a mailbox server.

Operating System:

• You will need to install Windows Server 2019 or later on the mailbox server.

Database Requirements:

• The minimum database requirement for a mailbox server is a 64-bit edition of SQL Server 2017 or later.

Other Requirements:

• You will need to ensure that the mailbox server has a reliable power supply and is connected to a network with a reliable internet connection.

Results:

Based on your inputs, here are the minimum requirements for a Microsoft Exchange 2020 Mailbox Server role:

• Storage: [Total Storage Requirement] GB
• CPU: 2 CPU cores (recommended: 4 CPU cores)
• Memory: 8 GB (recommended: 16 GB)
• Disk Space: [Total Disk Space Requirement] GB
• Network: 1 GbE network connection (recommended: 10 GbE network connection)
• Operating System: Windows Server 2019 or later
• Database: 64-bit edition of SQL Server 2017 or later

Please note that these are minimum requirements, and you may need to adjust them based on your specific environment and requirements. Additionally, it's always a good idea to have some extra resources available to ensure that your mailbox server can handle any unexpected spikes in traffic or usage.