- Uninstall the current FAS program (If any).
- Then install \\peachtree\Peachtree_Program_Disks\FixedAssetsForSagePeachtree2010.exe
- Log in as the user and open FAS
- Go to -> File -> Database List Manager and choose Find
- Enter \\peachtree\Peachtree_Data\FAS_Data in location and press Search
- Select the FAS database and choose Add, then Cancel
- Select FAS and choose Open Company
(Thanks to Joe for figuring this out!)