Indexing Never Completes - Search Index Database - RESET automatically - FSLOGIX

Question

Indexing Never Completes - On Outlook 2016 + WS2016 - FSLogix Latest Version

In that XenApp Server if I have 10 Users then all users Search Index Database it will reset automatically. Why this is happening any idea?

On 09:51 AM – Below Events 7040 and 7042 were observed on HSD Server.

At the same time below logs observed for WSearch.

[09:51:03.420][tid:00000e80.0000116c][INFO] ===== Begin Session: Reset of all local user dbs
[09:51:03.420][tid:00000e80.0000116c][INFO] Disabling and Stopping WSearch
[09:51:03.420][tid:00000e80.0000116c][INFO] Service is Auto Start: WSearch
[09:51:03.420][tid:00000e80.0000116c][INFO] Service disabled: WSearch
[09:51:03.686][tid:00000e80.0000116c][INFO] Stopping WSearch (current state is 0x00000003)
[09:51:03.686][tid:00000e80.0000116c][INFO] Sending stop control message to WSearch
[09:51:03.686][tid:00000e80.0000116c][INFO] WSearch cannot accept control messages
[09:51:08.998][tid:00000e80.0000116c][INFO] Successfully stopped WSearch
[09:51:08.998][tid:00000e80.0000116c][INFO] WSearch was enabled. Now it is disabled.
[09:51:08.998][tid:00000e80.0000116c][INFO] WSearch was running. Now it is stopped.
[09:51:08.998][tid:00000e80.0000116c][INFO] Deleting user's search databases