Failed to validate backup destination

Troubleshooting CA ARCserve D2D › Failed to validate backup destination

If you are attempting to configure your backup settings from another machine to a Windows XP shared destination and you are unable to save these settings, it may be because the same user is using more than one user name to access this CA ARCserve D2D configured shared destination.

For example:

You have two machines, A and B
Machine A is a Windows XP operating system and exposes a shared folder
Machine B has CA ARCserve D2D installed
User on Machine B attempts to configure the CA ARCserve D2D backup destination to this shared folder exposed by Machine A
User on Machine B will not be able to save backup destination setting because it fails to connect to this shared folder.

If this happens, you can change the local security policy on your Windows XP machine as follows:

Access the local Group Policy editor (gpedit.msc) utility.
gpedit.msc -> Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options
Select "Network access: Sharing and security model for local accounts" and change the value from "Guest only" to "Classic".