How big can an Exchange database be?

The database size limit is 1TB in Exchange Server Standard edition and 16TB in Enterprise edition. However, it is recommended to keep the database size to a maximum of 2TB per database for Exchange High Availability (DAG/replicated) or 200GB per database for Standalone (non-replicated).

How do I increase the size of my Exchange database?

You need to enter the size of database in decimal format. So, if you want the database limit to be 1.5 TB, you need to enter 1500 and if you want it to be 2 TB, then enter 2000. After the change is ready, you need to restart the Exchange Server Information Store Service from the Services Management window.

How do I check mailbox size in exchange?

In your mail folders list, right-click your Exchange mailbox. From the drop-down menu, choose Properties or Folder Properties. Click the Storage tab to view the size of each folder on the server. When you’re finished, click OK.

How do I change the database size in Exchange 2010?

To increase or decrease the limit for the maximum mailbox database size, open registry editor and navigate to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesMSExchangeIS Private- and edit the DWORD “Database Size Limit in GB” and enter the desired value. Create the DWORD if it doesn’t already exist.

What is the maximum supported size of an Exchange mailbox database?

This issue occurs because the default database size limit for Microsoft Exchange Server 2019 Standard Edition, Exchange Server 2016 Standard Edition and Exchange Server 2013 Standard Edition is 1,024 gigabytes (GB).

What is the maximum recommended mailbox size?

The maximum mailbox size for most mailboxes is 50 GB. There are some exceptions, though: User mailboxes’ size limit can be increased up to 100 GB if assigned a Microsoft 365 E3 or E5 license (Exchange Online Plan 2).

What is the default mailbox size in Exchange 2010?

The default database size limit for Exchange 2010 Service Pack 1 Standard edition is 1024 GB. If a mailbox database grows beyond this limit, the database automatically dismounts.

What database does Exchange use?

A mailbox database is stored as an Exchange database (. edb) file. In Exchange 2016 and 2019, each mailbox database has its own properties that you can configure.