https://community.databricks.com/t5/data-engineering/issue-in-creating-workspace-custom-aws-configuration/m-p/28752#M20529 <P></P><P>We have tried to create new workspace using "Custom AWS Configuration" and we have given our own VPC (Customer managed VPC) and tried but workspace failed to launch. We are getting below error which couldn't understand where the issue is in.</P><P></P><P>Workspace failed to launch.</P><P><B>Error: caught failure in cleanup chain: MALFORMED_REQUEST: Failed network validation checks; get network a32efc55-dfbf-4df9-a251-164e56636325 for more detailed error messages..</B></P><P></P><P>Appreciate a support on this issue.</P><P>1) what is failed network validation checks ? this seems to be very highlevel.</P><P>2) what is "get network a32efc55-dfbf-4df9-a251-164e56636325 for more detailed error messages" . where can we find more details.</P> Thu, 10 Feb 2022 12:12:03 GMT Anonymous 2022-02-10T12:12:03Z https://community.databricks.com/t5/data-engineering/issue-in-creating-workspace-custom-aws-configuration/m-p/28752#M20529 <P></P><P>We have tried to create new workspace using "Custom AWS Configuration" and we have given our own VPC (Customer managed VPC) and tried but workspace failed to launch. We are getting below error which couldn't understand where the issue is in.</P><P></P><P>Workspace failed to launch.</P><P><B>Error: caught failure in cleanup chain: MALFORMED_REQUEST: Failed network validation checks; get network a32efc55-dfbf-4df9-a251-164e56636325 for more detailed error messages..</B></P><P></P><P>Appreciate a support on this issue.</P><P>1) what is failed network validation checks ? this seems to be very highlevel.</P><P>2) what is "get network a32efc55-dfbf-4df9-a251-164e56636325 for more detailed error messages" . where can we find more details.</P> Thu, 10 Feb 2022 12:12:03 GMT https://community.databricks.com/t5/data-engineering/issue-in-creating-workspace-custom-aws-configuration/m-p/28752#M20529 Anonymous 2022-02-10T12:12:03Z https://community.databricks.com/t5/data-engineering/issue-in-creating-workspace-custom-aws-configuration/m-p/28754#M20531 <P>I'm also getting the same issue. I'm trying to create a E2 workspace using Terraform with Customer-managed VPC in us-east-1 (using private subnets for 1a and 1b). We have 1 network rule attached to our subnets that looks like this: <span class="lia-inline-image-display-wrapper" image-alt="Screen Shot 2022-02-20 at 11.01.06 PM"><img src="https://community.databricks.com/t5/image/serverpage/image-id/2103i30FC165AF489B5AC/image-size/large?v=v2&amp;px=999" role="button" title="Screen Shot 2022-02-20 at 11.01.06 PM" alt="Screen Shot 2022-02-20 at 11.01.06 PM" /></span><span class="lia-inline-image-display-wrapper" image-alt="Screen Shot 2022-02-20 at 11.01"><img src="https://community.databricks.com/t5/image/serverpage/image-id/2102i9F92C4F78E251B78/image-size/large?v=v2&amp;px=999" role="button" title="Screen Shot 2022-02-20 at 11.01" alt="Screen Shot 2022-02-20 at 11.01" /></span>&nbsp;</P><P>Similar question <A href="https://community.databricks.com/s/question/0D53f00001gs6nzCAA/issue-in-creating-workspace-custom-aws-configuration" alt="https://community.databricks.com/s/question/0D53f00001gs6nzCAA/issue-in-creating-workspace-custom-aws-configuration" target="_blank">here</A>. How can I debug this? Would it help if I gave you the "get network 123-456" id? </P><P></P><P>Things work fine if I used the Databricks-managed VPC example from the docs. It also works fine if I use a ***** VPC with */* all allow.</P> Mon, 21 Feb 2022 05:03:25 GMT https://community.databricks.com/t5/data-engineering/issue-in-creating-workspace-custom-aws-configuration/m-p/28754#M20531 Mitesh_Patel 2022-02-21T05:03:25Z