Looking on the internet deeply has found these results:

the process is necessary is the most popular phrase on the web.

the process is needed 13,840,000 results on the web	the process is necessary 14,910,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
A better dialog, participation and ownership in the OMC process is needed on all levels leading to clearly formulated targets and policies followed up by a benchmarking and monitoring. The peace process is needed there and it should be set in motion together with our American friends. making process is especially needed when European democracy is questioned. So real ownership of the process is needed here. Transparency in the decision Improved coordination between US EPA and EC Commission when carrying out consultation of stakeholders on the revision of new specifications would be required. Reinforcement of the human resources for steering the revision process is needed. In certain cases, a longer preparatory period for the restructuring process is needed.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

the process is needed

13,840,000 results on the web

the process is necessary

14,910,000 results on the web

More popular!

A better dialog, participation and ownership in the OMC process is needed on all levels leading to clearly formulated targets and policies followed up by a benchmarking and monitoring.
The peace process is needed there and it should be set in motion together with our American friends.
making process is especially needed when European democracy is questioned.
So real ownership of the process is needed here.
Transparency in the decision
Improved coordination between US EPA and EC Commission when carrying out consultation of stakeholders on the revision of new specifications would be required. Reinforcement of the human resources for steering the revision process is needed.
In certain cases, a longer preparatory period for the restructuring process is needed.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.