SQL Server | Other
Additional SQL Server features and topics not covered by specific categories
No, there can only be a single default instance.
SQL Server Default Instances
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Veena Srinivas
251
Reputation points
Hello,
If I have a standalone server currently running 2016 Developer Edition - Default Instance am I able to install 2017 Developer edition and have another default instance on the same box ?
Thanks,
V
SQL Server | Other
Answer accepted by question author
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(208, 69%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESG%3C/text%3E%3C/svg%3E)
Sean Gallardy - MSFT
1,901
Reputation points Microsoft Employee
1 additional answer
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(108.80000000000001, 46%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAM%3C/text%3E%3C/svg%3E)
AmeliaGu-MSFT 14,011 Reputation points Microsoft External Staff2021-02-03T02:09:03.747+00:00 Hi @Veena Srinivas ,
As SeanGallardy mentioned, we can install many instances on the same box but we only can have one default instance. You can install named instances if you already have default instance. Please refer to Database Engine Instances for more details.
Best Regards,
Amelia
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