VTAM® issues this message when an APPN connection for an adjacent control point becomes inactive. The major node to which the adjacent control point was attached has been deactivated.

resourcename is the network-qualified name of the adjacent control point in the form netid.name.

tgn is the transmission group number. If the APPN connection fails before it is fully established, the TGN might be this host's view of the TGN before it has been fully negotiated.