Error Message
ORA-00066: SID ‘string’ contains an illegal character or is too long
Cause
The specified SID contained an illegal character or the SID specified was too long, which cannot occur in an SPFILE setting. Illegal characters include ,#”‘=() and whitespace.
Action
Use a SID that does not contain a special character or whitespace. Check platform specific documentation for the maximum length of SID.
