In the Enterprise Vault Outlook Add-in you can enable a hidden button called the “Delete Hidden Message” button. As many people may know already Enterprise Vault stores some policy information in hidden messages in the end-users mailbox. Sometimes this hidden message fails to be updated properly – even though it’s rare, it’s more likely to occur with cached mode Outlook profiles.
Many people will already use the infamous EVPM ZAP to clear out the hidden message.. but there is a neater way to do it, and you can do it on an individual client machine. Here is how :
In the registry on the client machine, open HKEY_CURRENT_USERSoftwareKVSEnterprise VaultClient
Add a DWORD with the value of 1, called DeleteHiddenMsgButton
Access the Vault Information window, and you’ll see :
The button is greyed out, until you highlight a hidden message as shown below :