Error message when you try to perform certain operations on the files that are located on a network share: “Access is Denied”
On a Windows Vista or Windows Server 2008-based computer, when you try to perform certain operations on files that are located on a network share, the operations fail. Additionally, you may receive the following error message:
Access is Denied
This issue may occur when you try to access or delete the files. When this problem occurs, you have to restart the computer to resolve this problem.
This problem also affects applications or scripts that perform operations on files that are on the network share. For example, when you use BizTalk File Adapters to send and receive messages in the folders, the messages cannot be processed and are deleted on the network share.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB959489.