Hi,

I'm wondering if there is any limit for nesting Distribution lists/groups with Exchange 2013. I'm not talking about best practices, just about hard Limits. We have tested with 3 Levels, but I'm pretty sure I have seen DL's with more Levels... I wasn't able to find any Limits in TechNet.

thanks for any hints :-)

I remember to read somewhere as "1015". But I request experts to confirm this.

would be great, thank you John!

The 1015 is maximum group memberships: https://technet.microsoft.com/en-us/library/active-directory-maximum-limits-scalability(WS.10).aspx#BKMK_Groups

But unfortunately I don't know if nested grouping counts as another group membership in the eyes of AD.

Hi,

As Peter clarified, security principals (user, group, and computer accounts) can be members of a maximum of approximately 1,015 groups. The limitation is due to the size limit for the access token that is created for each security principal.

Hope this can be helpful to you.

Best regards,