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same visit Id can be used for multiple visits?

Forum|Forum|1 year ago
April 30, 2024
4 replies
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I would like to verify if the same visit Id can be used for multiple visits?

Extracting visit ID for eStore automatic traffic we have seen that the same visit ID (=concatenation of visitor ID and visit num) is present both in 2022 and 2024.

Can you please tell me why it is happening.

Thanks

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Best answer by MandyGeorge

I've used data feeds for a long time, and I've seen this more than once. Adobe does reuse visitor/visit IDs. They don't do it within the same year, but in different years it is possible to have the same ID be reused for a new customer. When concatenating the visitor/visit IDs, make sure you include first_hit_time_gmt. This is the time of the very first hit for the visitor. And despite the visitor ID being reused, this field will be different for each customer, so you can use this to separate the two (or more) customers that have been given the same ID.

Nick_Walter

Community Advisor and Adobe Champion

To my understanding this shouldn't be happening. The only thing I can think of is if there are visits connected as a unique visitor but even then they would have different visit IDs. Can you look into the length of the visit and what actions are being taken? maybe this is come kind of crazy bot?

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ClaudioMa2Author

Level 2

Thank you very much, I just wanted to know if it was theoretically possible and possible reasons. If they allow analysis over tot years in theory there should be no duplicate id. I can't verify ength of the visit and what actions are being taken.

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ClaudioMa2Author

Level 2

Can you link some documentation about this?

please

Jennifer_Dungan

Community Advisor and Adobe Champion

There doesn't seem to be a lot of information about this, but given the massive amount of data that can be processed over years of tracking, I guess re-using stale visit ids could be a way to ensure that they don't run out of values?

I expect most people aren't generally running reports that traverse so many years, and thus haven't actually encountered this...

But this might be something to check with Client Care?

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ClaudioMa2Author

Level 2

Thank you very much, I just wanted to know if it was theoretically possible and possible reasons. If they allow analysis over tot years in theory there should be no duplicate id. I can't verify ength of the visit and what actions are being taken.

Krishna_Musku

Community Advisor

Hello @claudioma2 There is a thread related to this, which might be helpful for you

https://experienceleaguecommunities.adobe.com/t5/adobe-analytics-questions/why-do-we-have-the-same-visitor-id-for-multiple-sessions-web/m-p/306911

MandyGeorge

Accepted solution

Community Advisor and Adobe Champion

I've used data feeds for a long time, and I've seen this more than once. Adobe does reuse visitor/visit IDs. They don't do it within the same year, but in different years it is possible to have the same ID be reused for a new customer. When concatenating the visitor/visit IDs, make sure you include first_hit_time_gmt. This is the time of the very first hit for the visitor. And despite the visitor ID being reused, this field will be different for each customer, so you can use this to separate the two (or more) customers that have been given the same ID.

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