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    <title>topic Network Check Control Plane Failure- Vnet injection in Administration &amp; Architecture</title>
    <link>https://community.databricks.com/t5/administration-architecture/network-check-control-plane-failure-vnet-injection/m-p/155896#M5210</link>
    <description>&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;I'm receiving the following error when trying to run a classic compute:&lt;/P&gt;&lt;DIV class=""&gt;&lt;DIV&gt;&lt;DIV&gt;&lt;BR /&gt;Error message:&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;[details] X_NHC_MULTIPLE_COMPONENTS_SSL_ERROR: Instance failed network health check before bootstrapping with fatal error: X_NHC_MULTIPLE_COMPONENTS_SSL_ERROR 3 failed component(s): control_plane internet storage Retryable: false Based on the failure results: List(entity: "arprodeastus2a6.blob.core.windows.net" outcome: "ssl_error" duration_sec: 227.56352 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to arprodeastus2a6.blob.core.windows.net:443" last_error_code: 35 , entity: "arprodeastus2a9.blob.core.windows.net" outcome: "ssl_error" duration_sec: 227.53041 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to arprodeastus2a9.blob.core.windows.net:443" last_error_code: 35 , entity: "arprodeastusa2.blob.core.windows.net" outcome: "ssl_error" duration_sec: 227.7241 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to arprodeastusa2.blob.core.windows.net:443" last_error_code: 35 , entity: "arprodeastusa13.blob.core.windows.net" outcome: "ssl_error" duration_sec: 227.70636 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to arprodeastusa13.blob.core.windows.net:443" last_error_code: 35 , entity: "dbartifactsprodeastus.blob.core.windows.net" outcome: "ssl_error" duration_sec: 227.95686 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to dbartifactsprodeastus.blob.core.windows.net:443" last_error_code: 35 , entity: "eastus2-c3.azuredatabricks.net" outcome: "ssl_error" duration_sec: 48.24833 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to eastus2-c3.azuredatabricks.net:443" last_error_code: 35 , entity: "&lt;A href="http://www.databricks.com" target="_blank" rel="noopener"&gt;www.databricks.com&lt;/A&gt;" outcome: "ssl_error" duration_sec: 228.2047 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to &lt;A href="http://www.databricks.com:443" target="_blank" rel="noopener"&gt;www.databricks.com:443&lt;/A&gt;" last_error_code: 35 )(OnDemand)&lt;/DIV&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;P&gt;the workspace is deployed with&amp;nbsp;&lt;STRONG&gt;Secure cluster connectivity enabled, on a Vnet injection and the firewall (Palo alto) has allow the following address:&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;TABLE width="664"&gt;&lt;TBODY&gt;&lt;TR&gt;&lt;TD&gt;&lt;P&gt;&lt;STRONG&gt;East US 2&lt;/STRONG&gt;&lt;/P&gt;&lt;/TD&gt;&lt;TD&gt;&lt;P&gt;Control Plane IPs, including default storage and webapp&lt;/P&gt;&lt;/TD&gt;&lt;TD&gt;&lt;P&gt;40.70.58.221/32, 20.41.4.113/32, 20.41.4.116/32, 52.254.24.96/28, 4.150.168.160/28&lt;/P&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;/TBODY&gt;&lt;/TABLE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;TABLE width="664"&gt;&lt;TBODY&gt;&lt;TR&gt;&lt;TD&gt;&lt;P&gt;&lt;STRONG&gt;East US 2&lt;/STRONG&gt;&lt;/P&gt;&lt;/TD&gt;&lt;TD&gt;&lt;P&gt;Control Plane NAT&lt;/P&gt;&lt;/TD&gt;&lt;TD&gt;&lt;P&gt;20.36.151.208/28, 20.65.4.240/28, 40.70.144.208/28, 23.101.152.95/32, 20.41.4.112/32, 20.41.4.114/32, 74.249.107.232/29, 20.161.82.48/29, 20.161.68.208/29, 74.249.108.56/29, 20.161.82.56/29, 20.161.68.216/29, 74.249.108.120/29, 20.161.82.64/29, 20.161.68.224/29, 20.161.81.88/29, 20.161.68.200/29, 68.154.4.136/29&lt;/P&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;/TBODY&gt;&lt;/TABLE&gt;&lt;P&gt;Any ideas why this is happening and how to resolve it?&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks!&lt;/P&gt;</description>
    <pubDate>Thu, 30 Apr 2026 19:55:21 GMT</pubDate>
    <dc:creator>And2</dc:creator>
    <dc:date>2026-04-30T19:55:21Z</dc:date>
    <item>
      <title>Network Check Control Plane Failure- Vnet injection</title>
      <link>https://community.databricks.com/t5/administration-architecture/network-check-control-plane-failure-vnet-injection/m-p/155896#M5210</link>
      <description>&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;I'm receiving the following error when trying to run a classic compute:&lt;/P&gt;&lt;DIV class=""&gt;&lt;DIV&gt;&lt;DIV&gt;&lt;BR /&gt;Error message:&lt;SPAN&gt;&amp;nbsp;&lt;/SPAN&gt;[details] X_NHC_MULTIPLE_COMPONENTS_SSL_ERROR: Instance failed network health check before bootstrapping with fatal error: X_NHC_MULTIPLE_COMPONENTS_SSL_ERROR 3 failed component(s): control_plane internet storage Retryable: false Based on the failure results: List(entity: "arprodeastus2a6.blob.core.windows.net" outcome: "ssl_error" duration_sec: 227.56352 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to arprodeastus2a6.blob.core.windows.net:443" last_error_code: 35 , entity: "arprodeastus2a9.blob.core.windows.net" outcome: "ssl_error" duration_sec: 227.53041 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to arprodeastus2a9.blob.core.windows.net:443" last_error_code: 35 , entity: "arprodeastusa2.blob.core.windows.net" outcome: "ssl_error" duration_sec: 227.7241 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to arprodeastusa2.blob.core.windows.net:443" last_error_code: 35 , entity: "arprodeastusa13.blob.core.windows.net" outcome: "ssl_error" duration_sec: 227.70636 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to arprodeastusa13.blob.core.windows.net:443" last_error_code: 35 , entity: "dbartifactsprodeastus.blob.core.windows.net" outcome: "ssl_error" duration_sec: 227.95686 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to dbartifactsprodeastus.blob.core.windows.net:443" last_error_code: 35 , entity: "eastus2-c3.azuredatabricks.net" outcome: "ssl_error" duration_sec: 48.24833 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to eastus2-c3.azuredatabricks.net:443" last_error_code: 35 , entity: "&lt;A href="http://www.databricks.com" target="_blank" rel="noopener"&gt;www.databricks.com&lt;/A&gt;" outcome: "ssl_error" duration_sec: 228.2047 message: "curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to &lt;A href="http://www.databricks.com:443" target="_blank" rel="noopener"&gt;www.databricks.com:443&lt;/A&gt;" last_error_code: 35 )(OnDemand)&lt;/DIV&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;P&gt;the workspace is deployed with&amp;nbsp;&lt;STRONG&gt;Secure cluster connectivity enabled, on a Vnet injection and the firewall (Palo alto) has allow the following address:&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;TABLE width="664"&gt;&lt;TBODY&gt;&lt;TR&gt;&lt;TD&gt;&lt;P&gt;&lt;STRONG&gt;East US 2&lt;/STRONG&gt;&lt;/P&gt;&lt;/TD&gt;&lt;TD&gt;&lt;P&gt;Control Plane IPs, including default storage and webapp&lt;/P&gt;&lt;/TD&gt;&lt;TD&gt;&lt;P&gt;40.70.58.221/32, 20.41.4.113/32, 20.41.4.116/32, 52.254.24.96/28, 4.150.168.160/28&lt;/P&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;/TBODY&gt;&lt;/TABLE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;TABLE width="664"&gt;&lt;TBODY&gt;&lt;TR&gt;&lt;TD&gt;&lt;P&gt;&lt;STRONG&gt;East US 2&lt;/STRONG&gt;&lt;/P&gt;&lt;/TD&gt;&lt;TD&gt;&lt;P&gt;Control Plane NAT&lt;/P&gt;&lt;/TD&gt;&lt;TD&gt;&lt;P&gt;20.36.151.208/28, 20.65.4.240/28, 40.70.144.208/28, 23.101.152.95/32, 20.41.4.112/32, 20.41.4.114/32, 74.249.107.232/29, 20.161.82.48/29, 20.161.68.208/29, 74.249.108.56/29, 20.161.82.56/29, 20.161.68.216/29, 74.249.108.120/29, 20.161.82.64/29, 20.161.68.224/29, 20.161.81.88/29, 20.161.68.200/29, 68.154.4.136/29&lt;/P&gt;&lt;/TD&gt;&lt;/TR&gt;&lt;/TBODY&gt;&lt;/TABLE&gt;&lt;P&gt;Any ideas why this is happening and how to resolve it?&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks!&lt;/P&gt;</description>
      <pubDate>Thu, 30 Apr 2026 19:55:21 GMT</pubDate>
      <guid>https://community.databricks.com/t5/administration-architecture/network-check-control-plane-failure-vnet-injection/m-p/155896#M5210</guid>
      <dc:creator>And2</dc:creator>
      <dc:date>2026-04-30T19:55:21Z</dc:date>
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