The following environment variables need to be in place, and correctly set for the paths etc where ServiceScheduling has been installed.

Variable	Used By	Description
`SPHOME`	All	The `SPHOME` environment variable is the directory where ServiceOptimizer is installed.
`PATH`	Operating system	The `PATH` environment variable is used by the operating system to search for ServiceOptimizer and Oracle binaries. The directories `$SPHOME\bin` and `$ORACLE_HOME\bin` must be present in `PATH`.
`LOCAL`	All programs which access the ServiceScheduling database: Oracle database only	The `LOCAL` environment variable is the name of the service (or section) in the `tnsnames.ora` file to be used by ServiceScheduling client programs.

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