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ORA-12154 Received for Database Links after RMAN Backup (Doc ID 844392.1)

Last updated on MARCH 31, 2022

Applies to:

Oracle Net Services - Version to [Release 9.2 to 11.1]
Information in this document applies to any platform.


A database link works fine until the RMAN runs a scheduled weekly backup.
After the backup the database link receives the following error:
ORA-12154: TNS:could not resolve the connect identifier specified

Bouncing the database solves the situation but is not desired.


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