[Description] Defines the default access permissions for the log. This value is of type REG_SZ. You can specify one of the following values: Application System Custom The default isolation is Application. The default permissions for Application are (shown using SDDL): Copy L"O:BAG:SYD:" L"(A;;0xf0007;;;SY)" // local system (read, write, clear) L"(A;;0x7;;;BA)" // built-in admins (read, write, clear) L"(A;;0x7;;;SO)" // server operators (read, write, clear) L"(A;;0x3;;;IU)" // INTERACTIVE LOGON (read, write) L"(A;;0x3;;;SU)" // SERVICES LOGON (read, write) L"(A;;0x3;;;S-1-5-3)" // BATCH LOGON (read, write) L"(A;;0x3;;;S-1-5-33)" // write restricted service (read, write) L"(A;;0x1;;;S-1-5-32-573)"; // event log readers (read) The default permissions for System are (shown using SDDL): Copy L"O:BAG:SYD:" L"(A;;0xf0007;;;SY)" // local system (read, write, clear) L"(A;;0x7;;;BA)" // built-in admins (read, write, clear) L"(A;;0x3;;;BO)" // backup operators (read, write) L"(A;;0x5;;;SO)" // server operators (read, clear) L"(A;;0x1;;;IU)" // INTERACTIVE LOGON (read) L"(A;;0x3;;;SU)" // SERVICES LOGON (read, write) L"(A;;0x1;;;S-1-5-3)" // BATCH LOGON (read) L"(A;;0x2;;;S-1-5-33)" // write restricted service (write) L"(A;;0x1;;;S-1-5-32-573)"; // event log readers (read) The default permissions for Custom isolation is the same as Application. Windows Server 2003 and Windows XP/2000: This value is not available. [Registry value] 
Isolation