Peer Asn already exists with different name

Dutakom Wibawa Putra 0 Reputation points
2025-07-28T05:13:03.78+00:00

i want to peer with microsoft via public exchange and need peerasn to be deployed first. when I deploy peerasn to associate my ASN with my subscription, it is failed with message Peer Asn already exists with different name

Azure Network Function Manager
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  1. Ganesh Patapati 10,540 Reputation points Microsoft External Staff Moderator
    2025-07-28T10:42:30.6+00:00

    Hello Dutakom Wibawa Putra

    How to View the status of a PeerASN

    Refer: https://learn.microsoft.com/en-us/previous-versions/azure/internet-peering/howto-subscription-association-powershell?wt.mc_id=knowledgesearch_inproduct_azure-cxp-community-insider#view-status-of-a-peerasn

    Here is a brief overview of how to set up the Peering Service partner requirements.
    Refer: https://learn.microsoft.com/en-us/azure/internet-peering/peering-service-partner-overview#peering-service-partner-requirements

    Modifying a PeerAsn isn't currently supported. If you need to modify a PeerASN, contact Microsoft peering.

    Deleting a PeerASN isn't currently supported. If you need to delete PeerASN, contact Microsoft peering.


    I hope this has been helpful!

    If the above is unclear or you are unsure about something, please add a comment below.

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