| 摘要 |
A network management apparatus performing trouble-shooting in each device state and improving the operation efficiency and workability in maintenance management operations. A table storage unit stores a device status table, a restriction condition table, and a trouble shooting table. An analysis unit determines whether a status change request satisfies the restriction conditions in the current device state. If the restriction conditions are not satisfied but trouble can be avoided, all the trouble shooting data are extracted until the restriction problems are eliminated. If the restriction conditions are not satisfied and trouble cannot be avoided, the cause for not being able to avoid trouble is extracted. Thus, an analysis of normality of the status change request is conducted. A user interface unit sends the extracted trouble shooting data or the cause for not being able to avoid trouble. A device communication unit transmits a command corresponding to the status change request.
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