EaZiE,
Many, many years ago, I was in charge of the network where we all used AutoCAD. I set up a central drawings directory, with a logical file structure. Everything worked fine, although there was minimal external referencing of files.
You need PDM.
If you can't have PDM, you need a file server for your SolidWorks drawings. You need to be in control of your file server. You cannot manage people outside your department renaming or moving the directories containing your drawings. You need the authority to stomp on people who insist on using their local C:[ ]drives. You need a logical file structure. Given the massive use of external references by 3D[ ]CAD, this will be way more difficult to set up than it was for me with 2D, non-xref CAD. With work to do, you want to be able to search through small directories. A big, central directory will be a nightmare.
PDM, set up by someone competent, gives you...
[ul]
[li]...a secure vault to store your drawings in.[/li]
[li]...the ability to track changes. You can see who changes stuff, when they changed it, and recover what they changed it from.[/li]
[li]...an Engineering Change Request (ECR) system. People can flag problems with your documents. You can see the list of ECRs. You can see whether or not the document you want to use has outstanding ECRs.[/li]
[li]...search tools to find the information in your database.[/li]
[li]...the ability to check files out info convenient working directories, including your local C:[ ]drive.[/li]
[/ul]
I have probably missed stuff here.
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JHG