systemchangeover

noun
UK /ˈsɪstəm ˈtʃeɪndʒəʊvə/
US /ˈsɪstəm ˈtʃeɪndʒoʊvər/

A time when a computer or machine switches from one setup to another.

The school's systemchangeover to new laptops took all weekend.


OTHER MEANINGS

2. The act of replacing an old computer system with a new one.

The bank planned a systemchangeover to safer software.

3. A planned pause when one system stops and another starts.

During the systemchangeover, no one could use the ticket machines.

4. A change from one way of doing things to another across a whole organization.

The hospital's systemchangeover meant new rules for every nurse.