Scanpst.exe is a utility used to correct MS Outlook PST files. Scanpst can partially fix internal PST file database issues however in many instances you will have to consider using a alternative party Scanpst.exe tool.
It's possible to split PST mailboxes into different files located locally or on the network driver. The problem is that although a network driver may appear being a local drive (drive mapping) network drive not supplies the same performance like a local one (i.e. C drive). Therefore Outlook may face problems to make contact with the PST file located on the network server understanding that usually leads sooner or later to corrupt PST file which require a repair with scanpst.exe
If this type of failure happens, it's possible to restore your PST file mailbox first with backup software that's daily backup within your network storage. However, since the mailbox data may contain some crucial business data you may should not lose a good single day of work.
If restoring the mailbox data positioned in your inaccessible PST file is crucial, you can test and use the Scanpst.exe utility. Scanpst.exe location is at your Outlook installation folder (You may find it under the default installation folder i.e. c:\program files). If you fail to believe it is the very best is just to operate the search program in order to find the scanpst.exe directly.
Typical PST errors:
"The file F:\archive.pst isn't a personal folders file."
(you can replace the letter F with your personal network drive letter).
Cause for the PST error:
The aforementioned error indicates that Outlook cannot read the PST database because it is corrupt. The file does not have valid database structure. Another possible cause is that you simply just do not need network link with the PST file. If that's the case it is extremely an easy task to solve it and simply call your network administrator to correct it.
Please consider that Outlook PST database file had not been designed to assist slow connections for example network drives. In many cases the bond is slowing during saving data or file closing which in several times cause data lose and PST file corruption.
Can Scanpst.exe solve it?
Scanpst.exe is definitely a limited solution. In many cases it fails but since it is a free tool you best run it first but remember, first rule before beginning a recovery process is always backup. You will not like to damage the file a lot more compared to current state of it. So please create a copy of your PST file and let scanpst.exe attempt to fix the copy only.