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Importing > 6000 requests from csv into a service management project

Dusan Spaic
Contributor
January 19, 2026

Hi,

I want to import many requests tickets (lets say 12k for example) to a single JSM project. 

I tried using External system import with my .csv file that contains maximum allowed limit of 6k tickets - at the end of the process I selected a new project name and key and after some time, everything went well - I can find my 6k tickets into this newly created JSM project.

The problem I have is that when I try to import the rest (another 6k) tickets into the same JSM project - I get the warning that project already exist. It seems that with External system import tool it is not possible to add tickets from csv file into the existing project. Capture d’écran 2026-01-19 à 11.39.16.png

I also tried tried using a configuration import file where in the projectData section i set "isExistingProject": true but this does not make the new project creation required at the end of the import.

 

Importing tickets from the previously created space via csv is not a option since there is a limit of only 250 tickets per csv file.

Thanks for help

 

1 answer

1 vote
Dave Mathijs
Community Champion
January 19, 2026

Hi @Dusan Spaic maybe this documentation article can be of help: Create work items with the CSV importer

This should allow you to import (additional) work items into an existing service space.

From what I can see, there is no limit on the number of records you can import.

Dusan Spaic
Contributor
January 19, 2026

Hi, thanks for answering.
This documentation indeed does not mention any limit in the number of work items that can be imported into a existing project - but in reality there is a 250 items limit. 

Capture d’écran 2026-01-19 à 12.09.56.png

It is important to mention that I am a admin in my instance where I try to import work items.

In External System Import I am required to import work items from csv file into a new project (I cannot import into the existing one).

Marc -Devoteam-
Community Champion
January 19, 2026

HI @Dusan Spaic 

You need to provide the following columns with data in you CSV.

- Project Name" and "Project Key"

Dusan Spaic
Contributor
January 20, 2026

Hi @Marc -Devoteam- ,

That unfortunately does not change anything. In System Settings - External System Import the interface still asks me to select a destination project in a select box, with an error message saying "A project with that name already exists".

Also, importing this kind of CSV that contains the project name and key via Search - ... - Import from CSV still has a 250-issue limitation.

Marc -Devoteam-
Community Champion
January 20, 2026

Hi @Dusan Spaic 

This is strange as that selector should only relate to the project you want to import the issue in, not to create a project.

Try to switch to the old importer via the option in the information panel.

Are you able to import the work items then?

Like Dusan Spaic likes this
Dusan Spaic
Contributor
January 20, 2026

Hi @mar ,

Using old importer experience worked!
With old interface, I can select existing project and import my csv issues without getting a "A project with that name already exists" error.

So this is a bug in a new import experience that was released. 

Thanks for your help!

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