Two Key points:
1. use Mapping drive instead of UNC path.
2. company file, edit the company file then the sage will use the path refer there:
To check or correct the Company file on the client PC
From the desktop on the client PC, open the Start menu, choose Run then in the Open box, type Explorer and click OK.
Windows Vista – Open the start menu and choose Computer.
Windows Explorer opens.
(For 2009 version, almost the same)
Locate and select the Company file:
Sage 50 Accounts 2008 on Windows Vista – The Company file is located in C:\ProgramData\Sage\Accounts\2008.
Sage 50 Accounts 2008 on Windows 2000 / XP / 2003 – The Company file is located in C:\Documents and Settings\All Users\Application Data\Sage\Accounts\2008.
Sage Accounts v12.xx and below and 2007 – The Company file is located in the Sage Accounts program directory, for example C:\Program Files\Sage\Accounts.
The Company file is selected within the Explorer window.
Double-click the Company file then from the Open With window, select Notepad and click OK.
Tip: The Company file is a text file with no extension.
Windows XP – The Windows window appears, choose Select the program from a list, then click OK. The Open With window appears.
The Company file appears.
The first line of the Company file is the data directory, for example F:\Sage\Accounts. This assumes your data files are stored on the network drive F: in a subdirectory called Sage\Accounts\ACCDATA.
Note: ACCDATA does not appear in the Company file.
If an incorrect data path is specified, delete the incorrect line and replace it with the correct location of your Sage Accounts data files. For example, if the path starts with \\, then replace this with the path using the mapped network drive letter.
Note: If you have a multi-company licence then more than one data path will exist and any subsequent lines should also be amended.
To save the changes to the Company file, open the File menu then choose Save.
Tip: If you are on Windows Vista to see the File option press the Alt key.
The new Company file settings are saved.
To close the Company file and return to Windows Explorer, open the File menu then choose Exit.
You have now checked and if necessary amended the contents of the Company file.
For 2009 version, almost the same.
only one thing is: in the company file, under the path, there is a ->
I don’t know what is it?
