Showing posts with label ORA-01617. Show all posts
Showing posts with label ORA-01617. Show all posts

Tuesday, 17 January 2012

ORA-01617: cannot mount: string is not a valid thread number

ORA-01617: cannot mount: string is not a valid thread number

Cause: The INIT.ORA parameter thread is not between 1 and the number of threads allowed by the control file.

Action: Shut down the instance, change the INIT.ORA parameter and startup, or resize the thread record and or or checkpoint progress record sections of the control file.