Hello @Mahavir Saroj Thank you for posting your question on Microsoft Q&A platform. Happy to help!
From the details you have shared in your post, I understand that you have chosen Data disk as OS disk while enabling replication and would like to know if it is possible to swap the OS disk.
Short answer: No
To accomplish your ask, you need to disable and re-enable the replication by selecting right OS disk.
Please write back to us if there are any further questions in this matter!
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