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I can't create a custom audience using a list of IDFA file. When I'm upload a plain text (.txt) file that contains the users IDFA appears the error message - 'Failed. Server error. Please try again later'

File upload status

Everyone is doing so, it is written in the instructions: iAd Workbench: Create and edit audience segments
But I note that for emails list this working properly! What am I doing wrong for IDFA?

My IDFA file has this format:

ECF0F1EA-BF46-40DC-B98A-18491D37533A
AEA3B781-9814-46DE-A9A2-BDD4557263C8
3C09B242-0B4F-435A-B2CC-88FB3E9B76B2
...

1 Answers1

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Today I received an email from Apple Support maybe it will be someone useful.

Thank you for contacting Apple about your iAd issue, my name is Pia and I’m happy to assist you.

First of all, please let me apologise for the delay in getting back to you. I understand that you are experiencing an error message when creating audience >segments. For privacy reasons, we are unable to review IDFA files. I would like to direct >you to this link where you can see detailed instructions on how to create and >edit audience segments:

https://help.apple.com/iadworkbench/mac/2.0/#/slvda32b7a12

I hope this helps, thank you for your cooperation.

Kind regards,

Pia Apple Inc.

So, now they just don't review IDFA files