Oskar Groening was found guilty in July 2015 of being an accessory to the murders of 300,000 people at the Nazi death camp.
But he filed an appeal for the sentence to be suspended.
"Based on expert opinion, the superior regional court finds that the convicted individual is fit to serve out the term despite his advanced age", said the court in Celle in northern Germany.
Incarcerating Groening would not violate his fundamental rights, it said, arguing that "appropriate precautionary measures" could be taken to meet any special needs arising from his old age.
Making the case for his imprisonment, German prosecutors have said that a court doctor has determined that Groening is able to serve his sentence, on condition he is given appropriate nursing and medical care while in detention.
Groening worked as an accountant at Auschwitz, sorting and counting the money taken from those killed or used as slave labour, and shipping it back to his Nazi superiors in Berlin.
More than one million European Jews died between 1940 and 1945 at Auschwitz before it was liberated by Soviet forces.
Disclaimer: No Business Standard Journalist was involved in creation of this content
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
