We've found issues with servers having the IRPStackSize too small, causing numerous entries in the eventlog and shares that do not work.  We also have noticed a correlation between crashes and the entries for IRPStackSize.

Increase this value in the registry by performing the following:

  1. Start the registry editor
  2. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
\lanmanserver\parameters.
  3. Double-click IRPStackSize (or if this registry setting doesn't exist,
create it of type DWORD and ensure the case is correct).
  4. Change the base to decimal, set the value to 15 and click OK.  If a
value is already present, add 3 to that number, and set it to the new
number.
  5. Reboot the server