Initialize Local DB - ORA-12528: TNS:listener: All Appropriate Instances Are Blocking New Connection

(Doc ID 2347802.1)

Last updated on JANUARY 11, 2018

Applies to:

Siebel CRM - Version 16.13 [IP2016] and later
Information in this document applies to any platform.


When attempting to initialize a local database with Siebel Tools and we are receiving the following error message in upgwiz.log:

ORA-12528: TNS:listener: all appropriate instances are blocking new connection

If we try the to connect with "SSD default instance" to server the result is OK.




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