Проверил в реестре на обеих машинах HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\IPSec\Policy\ - пусто
Win2012 LanmanServer\Parameters
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters]
"EnableAuthenticateUserSharing"=dword:00000000
"ServiceDllUnloadOnStop"=dword:00000001
"ServiceDll"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,\
00,74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,\
73,00,72,00,76,00,73,00,76,00,63,00,2e,00,64,00,6c,00,6c,00,00,00
"NullSessionPipes"=hex(7):48,00,79,00,64,00,72,00,61,00,4c,00,73,00,50,00,69,\
00,70,00,65,00,00,00,54,00,65,00,72,00,6d,00,53,00,65,00,72,00,76,00,4c,00,\
69,00,63,00,65,00,6e,00,73,00,69,00,6e,00,67,00,00,00,00,00
"autodisconnect"=dword:0000000f
"enableforcedlogoff"=dword:00000001
"enablesecuritysignature"=dword:00000000
"requiresecuritysignature"=dword:00000000
"restrictnullsessaccess"=dword:00000001
"Lmannounce"=dword:00000000
"Size"=dword:00000003
"AdjustedNullSessionPipes"=dword:00000003
"SMB2"=dword:00000001
"Guid"=hex:59,ba,90,41,81,c8,0b,49,84,85,1d,bf,56,ec,d8,87
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters\FsctlAllowlist]