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You are using Team Foundation Server (TFS) 2008 with Windows SharePoint Services 2.0 or 3.0. You connect to this TF server using Team Explorer 2005 or 2008. You expand the "Documents" node and try to copy an item listed there to you local machine (either by drag and drop or by copy/paste on the context (right-click) menu).
If your client operating system is Windows Vista or Windows Server 2008 the item is not copied and you receive no feedback at all (no messages, error or otherwise). If your client operating system is Windows XP or Windows Server 2003 you may receive this error message:
"Cannot copy file: Cannot read from the source file or disk."
This can happen if the "WebClient" service is not enabled on the client PC or if the entries for "BaseSiteUrl" and "BaseSiteUnc" in the TFS TfsIntegration.tbl_subscription table have incorrect entries.
The following are potential workarounds for this issue:
1. Ensure that the Web Client service is running on the client PC. On Windows XP, Server 2003, and Vista you can access this service via Control Panel>Administrative Tools>Services. Make sure the "WebClient" service is started and that it is set to start automatically. In Windows Server 2008 the "WebClient" service is now part of the "Desktop Experience" feature and is not installed by default. To enable the "WebClient" service on Windows Server 2008:
a. Open Server Manager and click the Features node.
b. If "Desktop Experience" in not already listed under Features, click "Add Features".
c. Select the "Desktop Experience" item and then click Next followed by Install.
d. Reboot the PC as instructed.
2. In the event that enabling the WebClient service on client the PC running Team Explorer does not resolve this issue, try adjusting the case of the entries for "BaseSiteUrl" and "BaseSiteUnc" in the TFS TfsIntegration.tbl_subscription table:
a. Use Microsoft SQL Server Management Studio to connect to the SQL data engine on the TFS data tier.
b. Open the TfsIntegration.tbl_subscription table.
c. Locate the the URL values for the "BaseSiteUrl" and "BaseSiteUnc" NAME entries. Change the "/Sites" portion of these URL values to all lowercase. For example, change:
Once these changes has been made on the server, all users experiencing this problem should exit Team Explorer. They should also clear their client TFS cache by deleting the 1.0 (for Team Explorer 2005) or 2.0 (for Team Explorer 2008) folder which is located here (it will be recreated the next time Team Explorer starts):
Windows Vista/Windows Server 2008: %LocalAppData%\Microsoft\Team Foundation
Windows Server 2003 / Windows XP: %UserProfile%\Local Settings\Application Data\Microsoft\Team Foundation
3. If none of the previous workarounds help, try mapping a drive from the client PC to the SharePoint site for the project where you experience the issue. For example, if the issue is with team project "ProjectOne" on TF server "TFS08", map a drive to \\TFS08\sites\ProjectOne and log in if prompted. You may need to reestablish this connection and log in each time the client machine restarts.
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Article ID: 955377 - Last Review: July 7, 2008 - Revision: 1.1
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