Maximum Outlook attachments and recipients: AttachmentMax and RecipientMax
Best practice settings
AttachmentMax: (Hex) FFFFFFFF
RecipientMax: (Hex) FFFFFFFF
A Microsoft Outlook issue may cause errors when the Enterprise Vault Storage service computer runs Outlook 2003 SP3 or Outlook 2007 SP1.
The issue occurs when an archived item has either of the following:
The issue can cause errors whenever Enterprise Vault recalls an archived item. For example, when rebuilding an index.
Microsoft has provided hotfixes for this issue, as follows:
See Best practice settings for Enterprise Vault servers