Symantec recently released Service Pack 1 for Backup Exec 2010 R3. The service pack is coming out and fixes a number of issues that have been in the works from Symantec. There are a number of items fixed in this release which as usual bundles a number of hotfixes. Most notably fixes and fine tunes the deduplication service and Devices where some Backup to Disk (B2D) devices used for dedupe would show in-use when in fact they were not.
The list of hotfixes included in this release are:
Hotfix # 159961
Hotfix # 159967
Hotfix # 160008
Hotfix # 162830
Hotfix # 161720
Hotfix # 161390
Hotfix # 159965
Hotfix # 164220
Issues resolved in this service pack include updates to the CASO, Core, Deduplication Option, Device & Media, Hadware, IDR, Enterprise Vault Options, SharePoint Agent, and the VMware Agent to name a few.
As usual, the update can be found via Live Update. In the event your Live Update is not function, please refere to this ARTICLE to resolve it.
Here is a link the Symantec RELEASE NOTES on Service Pack 1.
Be sure to update and deploy the latest agents out at your earliest opportunity.