Fabric Spark Custom Live Pool activation can fail for Environments published without libraries

Microsoft lists this known issue for Data Engineering; its status is Active. It was published on 7 October 2026.

Active1 version

Facts

Microsoft id
1995
Status
Active
Products
Data Engineering
Product family
Data Engineering
Status
Active
Published
7 October 2026
Issue ID
1995
Status pages
Microsoft Fabric status
First captured by us
(from our first import of this list)
Microsoft last modified
Source
Microsoft Fabric and Power BI known issues · open the original at Microsoft

Microsoft says

Customers who published a Microsoft Fabric Environment without Full or Quick libraries before the service fix was deployed may experience Custom Live Pool activation failures…

Microsoft Fabric and Power BI known issues,

Read Microsoft's full post

What Microsoft changed

One version so far. If Microsoft edits it, each change shows here with what was removed and added.

  1. First version we captured ·

    As first seen: Active
    Status
    Active

    Seen by us · Microsoft's timestamp · Microsoft's page

Incidents around this change

Possible connection

Incidents in the same services that started shortly after this change took effect. A shared service and time is not evidence that the change caused them.

Other changes for Microsoft Fabric

Last updated