Dear all,

  Thanks much in advance.

                  We are using windows NT Domain and Exchange 5.5. Exchange was installed on  a Windows 2000 server.Yesterday we were trying to add a SCSI tape drive(External) to that computer but it failed to do so and also this caused system hang-up.We had to reboot the machine.Everything seemed to be fine for a quite while.

                 Since then we are experiencing an unusuual problem out look on all the client machines started freezing up after a while .If they close it (Cntl+alt+Del and end task) it works well for a while and again it freezes up .I rebooted the server and after that stopped the services and started them again but no use ...This is happening for all the other clients.

I don't see anything hung up on the server.we can access all the shared folders from that server from all over the network.

Can anybody  please help me with this  ?

Frustrated admin