[getExchangePublicStore:GetPublicACL] “XXXX” might have insufficient permissions to the mailbox ERROR=MAPI_E_FAILONEPROVIDER

Error

[getExchangePublicStore:GetPublicACL] “XXXX” might have insufficient permissions to the mailbox ERROR=MAPI_E_FAILONEPROVIDER

Cause

The CyberSecure Advanced mail-level process does not have the necessary permissions to take a mail-level backup of the requested mailboxes.

Resolution

Populate the “Windows Domain Authentication” field in the software to the correct password of the domain account that is running the backup.