The system detected a possible attempt to compromise security...

If you get the error:
"X:/ is not accessible. The system detected a possible attempt to compromise security. Please ensure that you can contact the server that authenticated you."
On the workstation apply this fix to resolve this error:
Use Registry Editor to increase the default time-out period. To do this, follow these steps, and then quit Registry Editor
1. Click Start, click Run, type regedit (Windows 2000 or Windows Server 2003) or type regedt32 (Windows NT 4.0), and then click OK.
2. Locate and then click the following key in the registry:
HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet Services lanmanserver Parameters
3. In the right pane, click the autodisconnect value, and then on the Edit menu, click Modify. If the autodisconnect value does not exist, follow these steps: a. On the Edit menu, point to New, and then click REG_DWORD.
b. Type autodisconnect, and then press ENTER.
4. Click Hexadecimal.
5. In the Value data box, type ffffffff, and then click OK