There are a number of places you can locate your SEN number.
For those of you who do not know what a Support Entitlement Number (SEN), it is tied to your maintenance on the Atlassian license you own. It lets Atlassian know if you are under active maintenance, which is access to our technical support team and software updates. You must have active maintenance in order to use support.atlassian.com to create tickets.
If you still can't find it, our Sales team can find your SEN for you (email@example.com) if you provide them any of the following information:
1. Company email domain, billing or technical contact's email address
2. License key, or sub-string
3. Maintenance expiration date
4. Previous quote or invoice numbers (all start with AT-)
Additionaly, we got a document called Finding the JIRA Support Entitlement Number. You can find it using the search tool of http://confluence.atlassian.com. Each version of this document applies to one specific application (e.g. Jira, Bamboo, Confluence) addresing the ways that you can find the SEN number, specifically through the tool you're using.
Here is an example of how to find the SEN number over Jira 4.4: http://confluence.atlassian.com/display/JIRA/Finding+the+JIRA+Support+Entitlement+Number+%28SEN%29
Hi Atlassian Community, My name is Avni Barman and I am a Product Manager on the Atlassian Access team! One of my top priorities is to help make the administrator's life easier through improved pro...
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