Get-Mailbox -ResultSize Unlimited -Filter | Start-ManagedFolderAssistantĪfter the Managed Folder Assistant has processed a mailbox, the hold comment is displayed in Outlook 2010. To check Recoverable Items folder size for all mailboxes on litigation hold: It’s recommended that you monitor the size of Recoverable Items folder for mailboxes on litigation hold. Depending on how long a mailbox user is on litigation hold and the volume of email the mailbox receives, the Recoverable Items folder may reach its quota limits. For details, see Understanding Recoverable Items.Īt 20 GB and 30 GB, the Recoverable Items Warning Quota and Recoverable Items Quota are set to fairly high defaults. In Exchange 2010, Recoverable Items does not count towards the mailbox storage quota because it has its own quota. Mailboxes on litigation hold don’t require a higher mailbox quota because the user and MFA continue to delete messages, which are then retained in the Recoverable Items\Purges folder until the hold is removed.
#Mailbox size exchange 2010 archive#
Mailboxes on retention hold may require higher mailbox quotas because the MFA doesn’t delete items or move them to the user’s archive mailbox. Understandably, both may require some adjustments to storage quotas. Mailbox quotas for mailboxes on holdīoth types of hold will result in more data being stored in a mailbox. Tip: You can run a litigation hold report from the Exchange Control Panel by going to Roles & Auditing > Auditing > Run a litigation hold report. Administrator Audit Logging is the best place if you're looking for reliable audit trail of admin actions. Note that an administrator can modify both of these properties. When you place a mailbox on litigation hold, Exchange also populates the LitigationHoldDate and the LitigationHoldOwner properties, which can be useful for tracking purposes. See Understanding Litigation Hold for more details. These are returned in Discovery searches performed when the mailbox is on litigation hold. If mailbox items are modified, a copy of the original item is also retained. Until the hold is removed, deleted items are not purged from the mailbox database. Unlike retention hold, you can’t configure litigation hold to start and end at a specified date – it’s either enabled or not. The goal is to preserve mailbox items from inadvertent or purposeful modification or deletion by the mailbox owner or any user with mailbox access, and also automated deletion by processes such as the MFA. Litigation Hold: Litigation hold, also known as legal hold, is used to preserve mailbox items for discovery before and during legal proceedings, investigations or similar events. Note: When you archive-enable a mailbox, the Default Archive and Retention Policy is automatically applied to the mailbox if it doesn't have a retention policy. If you haven't deployed either MRM feature (Retention Tags or Managed Folders), retention hold is unnecessary. Takeaway: retention hold is for planned activity, suspends move or delete actions taken by the MFA. This allows you to configure retention hold in advance, and have it end at a predetermined date. When placing a mailbox on retention hold, you can specify a start date and an end date. See the Retention Hold section in Understanding Retention Tags and Retention Policies for more details. Deleted items are retained until the deleted item retention period (14 days by default) and then deleted permanently. Deleted messages are not treated any differently when a mailbox is on retention hold. The mailbox owner or any user (or process) with mailbox access can delete messages when the mailbox is on retention hold. Mailbox size increases as more email accumulates and you may need to raise the user's mailbox quotas to ensure mail flow to and from the mailbox isn’t interrupted. Should users access their mailbox when it’s on retention hold, they may notice that items aren’t being deleted or moved to archive. You can also use retention hold during the initial phase of MRM deployment and remove it as users become more comfortable with MRM functionality. It's typically used when a user may not have mailbox access for an extended duration, for example, when the user's on vacation. Retention Hold: As the Messaging Records Management page in the EMC suggests (see Figure 1), retention hold is used to halt retention policy, which means the Managed Folder Assistant (MFA) does not move or delete items from the mailbox. It's important to understand the functionality provided by both. In Exchange 2010, you can place a mailbox on retention hold or legal hold.
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