I have my laptop using win7 64bit. It is attached on a 2003 Domain with Active Directory.I need toset offline files. For files i setup on the server, syncworks fine.For files i setup on a NAS device attached in the domain it is not:the message says" ... used by another application ..."also:when i uncheck the relevant folders (not to be available offline)a window appears working / updating files - but - both folders and files continue appearing as : offline availability: available"what can i do ???Important:my other laptop with XP Pro, on the same domain, works fine.

Hi, To make the issue clear, please provide us the detail message you received. You can capture a screenshot on it as well: Capture a screenshot ============== 1) Press the Print Screen key (PrtScn) on your keyboard. 2) Click the "Start" menu, type "mspaint" in the Search Bar and Press Enter. 3) In the Paint program, click the "Edit" menu, click "Paste", click the "File" menu, and click "Save". 4) The "Save As" dialogue box will appear. Type a file name in the "File name:" box, for example: "screenshot". 5) Make sure "JPEG (*.JPG;*.JPEG;*.JPE;*.JFIF)" is selected in the "Save as type" box, click Desktop on the left pane and then click "Save". Please upload the screenshots to Windows Live SkyDrive and share their URLs with us. Regarding this issue, I also get this the following Knowledge Base; please check if this is similar with the issue you meet: Office files saved to a Buffalo NAS device with Offline files enabled display as .tmp files when viewed from another computer Thanks.Nicholas Li - MSFT