--- title: "Lukas Novacek (@lukeweaves) | Hashnode" description: "Power BI and Fabric at enterprise scale - the things the docs don't tell you. Read the latest articles by Lukas Novacek on Hashnode." url: "https://hashnode.com/@lukeweaves" --- @lukeweaves # Lukas Novacek @lukeweaves · Prague · Joined August 2026 Power BI and Fabric at enterprise scale - the things the docs don't tell you. ### [Managing Power BI gateways in a large tenant: the jobs the portal has no button for](https://lukeweaves.hashnode.dev/power-bi-gateway-admin-console?utm_source=hashnode&utm_medium=feed) A free, open-source console that does them in bulk: alerts, credentials, access, handover, audit, and cleanup before the 1,000 limit. 10 min read · [lukeweaves.hashnode.dev](https://lukeweaves.hashnode.dev/power-bi-gateway-admin-console?utm_source=hashnode&utm_medium=feed) [Oct 13](https://hashnode.com/posts/power-bi-gateway-admin-console/6ace40bc5a93fc68ba3127a6) ### [Did your Oracle data refreshes slow down after the June 2026 Power BI on-prem gateway update? Here is what happened.](https://lukeweaves.hashnode.dev/did-your-oracle-data-refreshes-slow-down-after-the-june-2026-power-bi-on-prem-gateway-update-here-is-what-happened?utm_source=hashnode&utm_medium=feed) The June 2026 on-premises data gateway release broke a lot of Oracle connections, and people noticed within a day. The release announcement collected dozens of comments about it: ORA-12154 alias resol 17 min read · [lukeweaves.hashnode.dev](https://lukeweaves.hashnode.dev/did-your-oracle-data-refreshes-slow-down-after-the-june-2026-power-bi-on-prem-gateway-update-here-is-what-happened?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/did-your-oracle-data-refreshes-slow-down-after-the-june-2026-power-bi-on-prem-gateway-update-here-is-what-happened/6a81cb4b223d73f215cc6b9c) [Aug 16](https://hashnode.com/posts/did-your-oracle-data-refreshes-slow-down-after-the-june-2026-power-bi-on-prem-gateway-update-here-is-what-happened/6a81cb4b223d73f215cc6b9c) ### [You can't see what depends on your Power BI gateways. Here's how to build the map.](https://lukeweaves.hashnode.dev/you-can-t-see-what-depends-on-your-power-bi-gateways-here-s-how-to-build-the-map?utm_source=hashnode&utm_medium=feed) What the admin portal can't tell you about your gateway dependencies, and how to build the map yourself. 16 min read · [lukeweaves.hashnode.dev](https://lukeweaves.hashnode.dev/you-can-t-see-what-depends-on-your-power-bi-gateways-here-s-how-to-build-the-map?utm_source=hashnode&utm_medium=feed) [Aug 5](https://hashnode.com/posts/you-can-t-see-what-depends-on-your-power-bi-gateways-here-s-how-to-build-the-map/6a735726e86b09dd5d5e7739)