Oracle Error Message
ORA-06817: TLI Driver: could not read the Novell network address
Reason for the Error
The file $ORACLE_HOME/spx/address could not be opened for reading and writing.
Solution
Make sure ORACLE_HOME is set, and the permissions on the ORACLE_HOME are read, write. If this file has been unintentially deleted, run spxctl (net option) to reset the configured Novell network number for SQL*Net SPX.