The department said Friday new Medicaid policies and rates have accounted for much of the legacy system software changes.
Keeping program changes to an absolute minimum in the coming months "will be critical to enable a more predictable transition and avoid disruption of services to the public," said Susan Young, the project's risk management adviser.
Wos and her boss, new Gov. Pat McCrory, have raised concerns about the state's information technology systems, particularly those for Medicaid, since McCrory took office in January.
In 2004, the state awarded a contract to Affiliated Computer Services to replace the current system, but the contract was terminated in 2006 after delays and additional costs.