Skip to main content
14 votes
Accepted

Subscriber Key related to Multiple Emails

In order to understand the multi-email address scenario per Subscriber Key, it is vital to understand the logic behind email address in a sendable data extension vs. email address in All Subscribers ...
Lukas Lunow's user avatar
  • 21.7k
10 votes
Accepted

Marketing Cloud ContactID, where do I find this?

This would be SubscriberID on the _Subscribers view.
didntStormArea51's user avatar
6 votes

Email Address As SubscriberKey in SFMC

I see four main points, when advising clients on what to use a Subscriber/Contact key. The details are indeed very much up to the individual scenario, but these points are universal. The Contact Key ...
Lukas Lunow's user avatar
  • 21.7k
5 votes
Accepted

Is the email in All Subscribers preferred to the one in the sendable Data Extension?

This is the expected behaviour and you cannot change it. Once you set a Send Relationship in a data extension, for example, Subscriber Key relates to subscribers on Subscriber Key, it will look up the ...
zuzannamj's user avatar
  • 14.4k
5 votes
Accepted

Updating Subscriber(Contact) key in Marketing Cloud

What you are looking into is a so-called Subscriber Key migration. A task which can't be done within the UI, and requires a paid services engagement by Salesforce. It will basically update the ...
Lukas Lunow's user avatar
  • 21.7k
4 votes
Accepted

Contact Key & Subscriber Key for Non-CRM Contacts (Adding Sales & Service Cloud Later)

Your scenario isn't a very complicated one so no need to overthink this. As you do not have the CRM when starting out, there are no restrictions on what you can or may set as the SubscriberKey. ...
Rain's user avatar
  • 5,785
4 votes
Accepted

How subscriber keys are being added in Marketing cloud?

Subscriber Key values are set in the following ways: An import into All Subscribers An API call that sends a message (in all channels) A send to a Data Extension that has a sendable field mapped An ...
Adam Spriggs's user avatar
  • 30.8k
3 votes
Accepted

How do we force Email Studio to use the supplied email address in the data extension even with an existing Subscriber Key in the All Subscribers List?

Below will help you understand the email address behaviour in Marketing Cloud. It's a screenshot from Eliot Harper's video which I highly recommend you watch: https://www.youtube.com/watch?v=puQ-...
zuzannamj's user avatar
  • 14.4k
3 votes
Accepted

Marketing Cloud Connect and Subscriber Key

Not really, as Marketing Cloud Connect will only recognize subscribers that use the Contact/Lead ID as actual subscribers. This means any cross-cloud functionality you normally would be able to use ...
Rain's user avatar
  • 5,785
3 votes
Accepted

Subscriber's %%view_email_url%% link breaking frequently/randomly

Reference this previous post 'VAWP links break for Salesforce Send Emails' to Ensure you VAWP link doesn't break with you process you will need to use a send log and use ampscript to look up these ...
EazyE's user avatar
  • 8,547
3 votes

Subscriber's %%view_email_url%% link breaking frequently/randomly

Your idea is correct. %%view_email_url%% are tied to data in sendable Data Extension used to deploy the email. If data in it changes, so does the web version of email. Data Extension Rows carry a ...
Mateusz Bartkowiak's user avatar
3 votes
Accepted

Recipients with different keys but same email asking for Unsubscribe From All

We've generally created an automation that selects these subscribers using a Query Activity and then extracts and imports them into All Subscribers as an unsubscribe. If you don't want to use an ...
Adam Spriggs's user avatar
  • 30.8k
3 votes

SQL to find duplicate subscribers with the same email address

I think you need to try something like that: SELECT SubscriberKey, count(EmailAddress) FROM _Subscribers GROUP BY SubscriberKey HAVING count(EmailAddress) > 1 Just for example, I tried with ...
Rusan's user avatar
  • 39
2 votes

Is there a way to only send to someone from Journey Builder if they already exist on All Subscribers?

Remember, that unless someone is actively removed from All Subscribers when opting out, their email address remains there. Also, if you are using MC for transactional emails (using Triggered Sends) ...
Lukas Lunow's user avatar
  • 21.7k
2 votes

Subscriber Key for Non-CRM contacts

In general, the way you interact with these non-CRM contacts isn't so different, as long as you work with them separately. You can use Data Extensions with them, but you'll need to figure out what ...
Rain's user avatar
  • 5,785
2 votes

Content Builder - Send without Subscriber key

You can use 'Preview and Test' option in content builder which is same as classic content 'Send Preview' option. In preview and test you can manually enter email addresses and perform a test send. ...
salesforce-user's user avatar
2 votes
Accepted

With Person Account activated, what Salesforce ID as Subscriber Key/Contact Key in SFMC?

For Orgs with PersonAccounts enabled, you still will be using PersonContactID as Subscriber Key. There is more info on Subscriber Keys in a multi cloud scenario in this article. It can be difficult ...
Lukas Lunow's user avatar
  • 21.7k
2 votes

All Subscribers search is not showing all the attribute values from data extension ,despite data extension having values

Data Extension values are completely separate from All Subscribers and it was built that way on purpose. In order to force the information inside of a Data Extension into All Subscribers, you will ...
Gortonington's user avatar
  • 30.7k
2 votes
Accepted

Which ID do I need to use as Subscriber Key in Marketing Cloud to keep in sync with Service/Sales Cloud?

General rule is that it should always be the 18-digit ID from Salesforce. In case you are using Synchronised Data Extensions, Salesforce Report Imports / Sends or Salesforce Campaign Imports / Sends ...
Rain's user avatar
  • 5,785
2 votes

Can you change SFMC Subscriber Key w/o SF Support?

My Salesforce Marketing Cloud AE has confirmed this is a Subscriber Rekey that only they can fulfill. Thanks to all who viewed and considered my question!
John McKenney's user avatar
2 votes
Accepted

Imported DE is not added onto All Subscriber

First of all, to send an email, you need to have correctly configured Data Extension with Email Address data type field and of course, be sendable with relationship to the SubsriberKey. You do have ...
Niko's user avatar
  • 2,734
2 votes

Subscriber Key Email send question

This is partially correct. Unless you actively ask for the send process to dedupe on email address, both Subscribers Keys sharing same email will receive each their own version. You can select the ...
Lukas Lunow's user avatar
  • 21.7k
2 votes

Update Subscriber Key in All subscriber generated through trigger sent

You have a problem in your solution design. This duplicate creation is a very common pattern you run into when setting up e.g. Double Opt In processes. It will be beyond the scope of this answer to ...
Jonas Lamberty's user avatar
2 votes
Accepted

Unsubscribe user with one subscriber key but many email addresses

Only one email address can be bound with a subscriber key. When you send an email with setting the field "Use email attribute from Entry Source" in journey builder, this will update the All ...
Duc Le's user avatar
  • 3,448
1 vote
Accepted

Using Salesforce Contact ID as Marketing Cloud Subscriber Key - what are the consequences?

Indeed, in ideal scenario where you have Sales/Service Cloud connected with Marketing Cloud, the client registration flow should always first hit the CRM and get the proper ID, before it would be ...
Rain's user avatar
  • 5,785
1 vote

Is the email in All Subscribers preferred to the one in the sendable Data Extension?

The answer provided by zuzannamj is correct however I would note that, although this is functioning as designed in the Email Application, this is something that is configurable within the Journey ...
FreeRangeHotDogs's user avatar
1 vote

Is the email in All Subscribers preferred to the one in the sendable Data Extension?

I understand that you have Sales/Service Cloud connected to Marketing Cloud. If you would use a data extension located in a Salesforce Data Extensions folder to send an email, the email address from ...
fmu's user avatar
  • 62
1 vote
Accepted

SubscriberKey and exclusion data extension/ exclusion script

As every subscriber has an associated Subscriber Key in all Subscribers List, this field is the only required one for an exclusion data extension.
Markus Dang - formerly Slabina's user avatar
1 vote
Accepted

Global Unsubscribe With Varying Contact Keys

This functionality is out of box for Email Studio too, which is why subkey is by default the email address. Changing subkey off email is then removing this functionality by ensuring email is not ...
Gortonington's user avatar
  • 30.7k
1 vote
Accepted

How to perform a load test on a triggered send

You shouldn't have any issues so long as you are 1000% sure that no production email addresses are going to be passed to the triggered send for deployment. I think it would probably be prudent to ...
Jason Hanshaw's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible