Error:- Required Endpoints Unavailable

[anim008]

We attempted to install Azure Arc via MECM, but encountered an error during the installation.
Kindly let us know the possible cause and the recommended fix for this issue.

time="2026-03-31T11:42:29+01:00" level=fatal msg="required endpoints unavailable: https://gbl.his.arc.azure.com/ (error: Get "https://gbl.his.arc.azure.com/connectivitytest": remote error: tls: handshake failure), https://agentserviceapi.guestconfiguration.azure.com/ (error: Get "https://agentserviceapi.guestconfiguration.azure.com\": remote error: tls: handshake failure), https://pas.windows.net/ (error: Get "https://pas.windows.net\": EOF), https://uksouth-gas.guestconfiguration.azure.com/ (error: Get "https://uksouth-gas.guestconfiguration.azure.com\": remote error: tls: handshake failure), https://management.azure.com/ (error: Get "https://management.azure.com\": read tcp 172.21.112.60:49577->4.150.241.10:443: wsarecv: An existing connection was forcibly closed by the remote host.)"

[v-utpalkumar]

Hello @anim008! Thank you for bringing this issue to our attention. To proceed with the investigation, we’ll need a bit more information and clarification from your side:

1. Is this issue related to Azure Sentinel?
2. If so, could you please specify the type of content involved (e.g., Data Connector, Analytic Rule, Parser, Hunting Query, etc.) and provide the path to the relevant content?

Once we have these details, we’ll be able to move forward with the investigation or guide you on the next steps. Thank you!

[v-utpalkumar]

Hello @anim008! We are currently awaiting your response regarding this issue. Kindly note that if we do not hear back from you within the next couple of days, we will proceed with closing the issue. Thank you!

[v-utpalkumar]

Hello @anim008! Since we haven’t received a response regarding the requested information, we will proceed with closing this issue. If you would like to discuss this further, please feel free to reopen it at your convenience. Thank you!