Fax Service Management

We have a Win 2000 based network with SP4. On two clients machines when we try to access Devices or Logging in Fax Service Managment getting the messages NO ACCESS (with locall or domain users logon) . Others clients can access the same on their machines. Even we have joined the a new fresh machine to network, that machine have also same problem. We neve defined any policy or permission for Fax Service Managment.