How to prevent expired items from being deleted by Storage Expiry on a single archive.

Problem

In some cases, it may be ncessary to prevent expired items from being deleted by Storage Expiry on a specific archive(s).

Solution

Follow the steps below to prevent expired items from being removed by the Storage Expiry process: 

1. Open the Vault Administration Console and navigate to the Archives container.
2. Right-click on the archive in the right-hand pane and click Properties.
3. On the Advanced tab uncheck the "Delete expired items from this archive automatically" option. 

Note:  If you follow the steps above the archive will have 0 items to delete.  If all archives are set this way the expiration report will show 0 items to delete.  Here is an example:
Number of vaults processed: 1
Number of vaults enabled for expiry: 0
Total number of expired items: 0 
 
Dtrace on the StorageDelete process will show the following lines before the event 7086 line:
235 18:02:36.275  [7244] (StorageDelete) <7240> EV:L {CListVaults::SkipVaultsMarkedNoExpire} (Entry)
236 18:02:36.275  [7244] (StorageDelete) <7240> EV:L {CListVaults::SkipVaultsMarkedNoExpire} (Exit) Status: [Success]
237 18:02:36.275  [7244] (StorageDelete) <7240> EV~I Event ID: 7086 Storage Expiry Report (Report Mode) | |Vault Store Name: Domino Jrnl VS |Vault Store Id: 1E4AF79461EAFE846969F4C96379F822C1210000evserver1.EV.LOCAL | |Number of vaults processed: 1 |Number of vaults enabled for expiry: 0 |Total number of expired items: 0 | |Items marked with sent\received date based retention categories have been deleted: |(none)| |Items marked with archived date based retention categories have been deleted: |(none)| |Start Time: 11/19/2014 6:02 PM |End Time: 11/19/2014 6:02 PM |