Breaking the Exchange 2010 SP2 softly enforced 1TB limit August 6, 2012Posted by vbry21 in Exchange 2010.
Tags: Exchange 2010, Microsoft
On the Exchange 2010 SP2 course (10135B), we talk about the two different editions of Exchange 2010.
These are Standard and Enterprise.
Standard allows five databases and has no software limit for the size of the storage, we are purely constrained by the hardware.
Enterprise allows one hundred databases and again has not software limit.
However in Standard edition if we want to exceed the 1TB limit we must enable this setting in the registry.
You can use Registry Editor to modify a database size limit in Microsoft Exchange Server 2010. The default database size limit for Exchange 2010 Standard Edition is 1024 gigabytes (GB). There is no default database size limit for the Exchange 2010 Enterprise Edition. The Exchange store checks any database size limits periodically and dismounts a database when the size limit is reached. You can modify the database size limit by adding or changing a value in the registry.
When you change this setting, this change is propagated to all servers that host a copy of this database.
- Start Registry Editor (regedit).
- Locate the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIS\<Server Name>\Private-<database GUID>
|You can get the GUID of a database by running the following command in the Exchange Management Shell: Get-MailboxDatabase -Identity “<database name>” | Format-Table Name, GUID|
- If the Database Size Limit in GB DWORD exists for the subkey, change its value to the desired size in gigabytes.
- If the Database Size Limit in GB DWORD doesn’t exist for the subkey, create a new DWORD with that name, and then set its value to the desired size in gigabytes.