Troubleshooting
Problem
On a Windows OS based server running Db2 server, Db2 fails to start and gives the following error "SQL1042C An unexpected system error occurred. SQLSTATE=58004". Also the key service for Db2 (db2sysc.exe) is not started or running.
Symptom
On a Windows OS machine whenever you try to launch Db2 using the db2start command you see the error below:
C:\>db2start
DB2 : The service cannot be started, either because it is disabled or because it has no enabled devices associated with it.
SQL1042C An unexpected system error occurred. SQLSTATE=58004
[{"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Component":"Operating System \/ Hardware - OS Configuration","Platform":[{"code":"PF033","label":"Windows"}],"Version":"9.8;9.7;10.1;10.5;11.1","Edition":"Advanced Enterprise Server;Advanced Workgroup Server;Enterprise Server;Express;Express-C;Personal;Workgroup Server","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
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Document Information
Modified date:
01 May 2025
UID
swg22005599