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Jira pre-migration checks fail (server -> cloud)

Niklas P_
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July 18, 2024

Hello,
I want to migrate a single project from our Jira Server (v9.4.14) to our Jira Cloud system.

Therefore I am using the "Jira Cloud Migration Assistant" (v.1.11.14). Unfortunately I am already failing at the pre-migration checks.

I am also not able to review the domains or assess my users.

 

When I take a look into the logs, I see many errors like this:

"Caused by:
com.atlassian.jira.migration.preflight.ums.exceptions.UmsPreflightCheckException: Failed to fetch UMS preflight check response. root cause : UMS preflight check has been skipped or User Group Extraction or Data Upload"

premigration_checks.png

I think that the server cannot establish the connection to the cloud correctly, although the firewall does not actually have any restrictions regarding outgoing data traffic.

Is there a way I can check this?

 

I am grateful for any advice, thank you in advance,

Niklas

1 answer

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Asha Goyal
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July 18, 2024 edited

Hello @Niklas P_ 

Welcome to the Community. There is already similar issue raised for the same issue. Please refer to the links below

https://jira.atlassian.com/browse/MIG-1370

https://community.atlassian.com/t5/Jira-questions/Jira-Server-to-Cloud-Migration-Migration-errors/qaq-p/2180805

One more option you can try is to create the new migration from scratch.

Hope it should help.

Thanks

Niklas P_
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I'm New Here
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July 18, 2024 edited

Hi,

I've already tried the workaround. Unfortunately I had no luck. Every time I want to assess the users I get an error Message:

"We couldn't run the new assessment, the data on this page may be outdated. Try again."

 

I did also not work with the com.atlassian.jira.migration.skip.preflight.check.export.errors dark feature

What exactly do you mean by "create the new migration from scratch". I've already tried to delete the migration and create a new one.

Thanks for your help :)

 

 

 

 

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