Please if mount win11 ltsc 2024.h2 Enterprise (not iot) disable update:

It should be noted that if the LTSC 24h2 Enterprise version is converted to 25h2 LTSC, this is not officially supported by Microsoft, and this update should not be installed as LTSC under any circumstances.
and KB5087051:

it crashes system
Thnaks
KB5054156

It should be noted that if the LTSC 24h2 Enterprise version is converted to 25h2 LTSC, this is not officially supported by Microsoft, and this update should not be installed as LTSC under any circumstances.
and KB5087051:
it crashes system
Thnaks