Add installation troubleshooting section

README.md

@@ -27,6 +27,7 @@ See [contributing instructions](CONTRIBUTING.md) to help improve this project.
   * [[ADVANCED] Force install over existing UCX](#advanced-force-install-over-existing-ucx)
   * [[ADVANCED] Installing UCX on all workspaces within a Databricks account](#advanced-installing-ucx-on-all-workspaces-within-a-databricks-account)
   * [[ADVANCED] Installing UCX with company hosted PYPI mirror](#advanced-installing-ucx-with-company-hosted-pypi-mirror)
+  * [Installation troubleshooting](#installation-troubleshooting)
   * [Upgrading UCX for newer versions](#upgrading-ucx-for-newer-versions)
   * [Uninstall UCX](#uninstall-ucx)
 * [Migration process](#migration-process)
@@ -268,6 +269,12 @@ During installation reply *yes* to the question "Does the given workspace block
 
 [[back to top](#databricks-labs-ucx)]
 
+## Installation troubleshooting
+
+See [Network Connectivity Issues](#network-connectivity-issues) for resolving network connectivity related issues.
+
+[[back to top](#databricks-labs-ucx)]
+
 ## Upgrading UCX for newer versions
 
 Verify that UCX is installed