Moving Jira to new installation


we have been using one JIRA installation with affiliate company. Now we grew big enough to need our own system. We have installed JIRA on a new database. Is it possible to seperate our users and projects from affiliate company in old JIRA system and import it to the new?

2 answers

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Depending on Jira version (+5.0) you can import only a few projects from a backup file; however this requires you have all schemes (notification, issue type, workflow ...) required by these projects.

Otherwise, you can import a full backup of the original instance, and delete all non-relevant projects/stuff in the new instance. Then delete the complementary (and non-relevant) stuff in the old ...

PS: You can search this forum with a query like "jira split instances", for other methods


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Atlassian also have this documentation on splitting instances that may help you on this.

Hope this helps,


we have tried to split the Jira as recommended. And we got this error after loggink in to new Jira, with old accounts

Oops - an error has occurred

System Error

A system error has occurred.

If this problem persists, please contact your JIRA administrators.

Otherwise, please create a support issue on our support system at with the following information:

a description of your problem

cut & paste the error and system information found below


Referer URL: ****

java.lang.IllegalStateException: User '****' exists but has no unique key mapping.

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