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This page shows all available Communities you may join.

SIG communities may only be joined via your ACNS Member Profile. Go back to, click "Member Login," then click the SIGs tab on your profile to select SIGs you wish to join. When you sign up for a SIG through your ACNS Member Profile, you will automatically be added to the corresponding ACNS Connect community.

To join any other open community, click the blue "Join" button.

To see only the communities to which you belong, click "My Communities" under the Communities dropdown above.