Duration and Resource with 0% units assigned–how are they connected

Hi,

in April this year I wrote a blog post about Resource with assignment 0%–what is it?. Now I have a question  Blog reader: “I am trying to use Resources with a 0% Max as a placeholder/generic resource allocation. When I assign the resource, it defaults the assignment unit to [0] and makes the task act like a milestone (no duration). I would like for the task duration to remain unchanged and for the resource to automatically assign 1 unit.”

OK! I explain that using MS PROJECT 2019! First I will create simple project:

image

As you can see, Duration is 5 days. Now I will create resource with 0% Max Units:

image

and I will assign that resource to the Task, and I will get:

image

As you can see, Duration is now 0%! Why? Because of the magic formula which is Work = Duration * Units. So, Units is 0%, and it means that there is no work to do. And since there is no work to do on the Task, it is obvious that it will be no duration, so it is milestone.

BUT. If I make a Task as Fixed Duration type like this:

image and then assign John with 0%, I will get:

image As you can see, the Magic formula, Work = Duration * Units still works, e.g. 0 (Work) = 5 days (duration) * 0% (Units). But Duration is unchanged because it is fixed. In previous example, Task was fixed Units, so Duration and Work was calculated as zero.

Regards!

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About Nenad Trajkovski

Location: Zagreb, Croatia Occupation: Project Manager Interests: Project Management and MS PROJECT He was born in Zagreb, Croatia at 1963. After completing his college he started working on projects in different business areas (banking, manufacturing, automotive industry, distribution, oil companies, etc.) developing and implementing ERP systems into different companies. He has got a lot of experience working with people in different business processes and also possesses great knowledge in information technologies and financial services. Today he works as a business consultant, adn Project Manager in PERPETUUM MOBILE d.o.o. Zagreb. He is a regular lecturer for Project Management in MS Innovation Center in Varaždin, Logosoft Sarajevo in Bosnia and Herzegovina and SEAVUS GROUP in Skopje Macedonia. He was named the best lecturer of WINDAYS 2008 while his lecture was also voted as the best. In addition, he was in TOP 10 lecturers at the MS SINERGY 2009 and MS VISIA 2009, 2010. Shares first place as the best lecturer of KulenDays 2009 and 2010 and PMI Conference 2009 in Zagreb. He is also a regular lecturer in the MS Community. He is a Certified Accountant and a PMP (Project Manager Professional) and a PMI-RMP (Risk Manager Professional), MCP, MCT, and Microsoft Certified Technical Specialist - Microsoft Project 2010. From 01.01.2012 awarded with MVP (Microsoft Most Valuable Proffesional - Microsoft Project)!
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