You are executing the URT before the upgrade to 16.1 and you get the below warning during Single Tier Validation:
Start: Single Tier Validation - 2024-11-08 10:23:08 *** WARNING *** Single tier installation is no longer supported in 16.1 release. It must be migrated to a two-tier deployment. https://techdocs.broadcom.com/us/en/symantec-security-software/ information-security/data-loss-prevention/16-0-2/install-dlp/ performing-a-single-tier-installation/ about-migrating-to-a-two-tier-deployment.htmlFAILED: Unable to find matching schema profile DSH_Preload_X_b.pls
After that the URT stops.
15.8
16.0 up to RU2
Single-tier installation is no longer supported.
You have to migrate to two or three-tier deployment as per Migrating to a Two- or Three-Tier System. After you migrate your Enforce, you need to remove your single-tier's detection server, which uses 127.0.0.1 address, from the Server Overview.