Task Actual Start and Finish date when Resources are unavailable in MS PROJECT 2016


in this last post for year 2018. I will show you how Actual Start and Finish date are affected with Resource Calendar in MS PROJECT 2016.

First I will crate Simple Project with one Task:

imageI will create Two Resources, John and Mary:


Now I will create Vacation period for John between 25.12.2017 and 31.12.2017.


Finally, I will assign john and Mary to the Task, and I will show you Task Usage View:


As you can see, John is suppose to work from 1.1.2018 till 05.01.2018, because a week before he is on his Vacation.

BUT! What if I say that the Task has started at 25.12.2017, and it is finished at 29.12.2017?




I will get:


As you can see, Mary has worked 40 hours at first week, and John has not (because he was on his vacation). BUT, since the task is finished at 29.12.2018, John didn’t work on it at all. And this is reasonable because I said to MS PROJECT that the Task has finish date, and it means that it is done, so now work is left.

Let me show you what will happen if only John is on this Task, and the Task is finished on 29.12.2017, but John has Vacation at that time:


As you can see the Task is finished without single working hour spent on it. Or, if we look at the Gantt Chart:


As you can see, the Task is Milestone, and duration is zero as well.

Does it make a sense? NO! If John is supposed to work on Task, and he is on vacation when Task has started till it is ended, it means that nobody has work on it. In that case, why did someone put him as a Resource anyway.

Dear Readers, I wish you Happy New Year, and all the best in your life.




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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