Hi @Miloš Gregor ,
Welcome to Microosft Q&A forum and thanks for reaching out.
Since you mentioned that the issue started happening recently, I strongly suspect that it could be related to recent issue with SHIR as discussed in below two threads :
- Azure Data Factory Pipeline Activities Stuck In Queued status
- Data Factory activities stuck in Queued
Could you please try updating your SHIR to latest version and see if the helps to resolve your issue. Here is the for downloading later IR version: Integration runtime download
Let us know how it goes.
Thank you
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