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EM 13c, EM 12c: Troubleshooting Guide for Test Connection Errors Generated during Database Discovery in Enterprise Manager Cloud Control (Doc ID 1914630.1)

Last updated on FEBRUARY 10, 2022

Applies to:

Enterprise Manager for Oracle Database - Version and later
Information in this document applies to any platform.


To outline some of the main errors that can be encountered when clicking on the "test connection" button during the database discovery process in Enterprise Manager (EM) 12c and 13c Cloud Control, and actions to take to resolve them.

Troubleshooting Steps

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In this Document
Troubleshooting Steps
 Typical Errors
 1. IO Error
 2. ORA-12505
 3. ORA-01033
 4. ORA-01017
 5. ORA-01031
 6. Slow Network
 7. ORA-1034
 Case 2:
 Further Troubleshooting

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