JSI Tip 10042. How can a script determine the source of information that the DNS server uses to start?

When the DNS Server service starts, it can get it's information from a BIND-style file named Boot, from the registry, or from Active Directory.

I have scripted BootMethod.bat to return the DNS start method.

The syntax for using BootMethod.bat on your DNS server is:

[Call] BootMethod Code [X]

Where:

Code is a <a href="https://www.itprotoday.com/article/jsifaq/jsi-tip-5535-how-can-i-cause-a-called-batch-file-to-return-a-call-directed-environment-variable-.aspx">call directed environment variable</a> that will contain:     0 - Unknown     1 - Use the BIND-style file at %SystemRoot%System32DNSBoot. If some information is missing, check the registry.     2 - Use information from the HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesDNS registry sub-key.     3 - Use Active Directory, and use the registry for missing information.X    is an optional parameter that causes BootMethod.bat to use the DNSCMD.EXE tool instead of the REG.EXE tool.

NOTE: The BootMethod Value Name used in this script replaces the EnableRegistryBoot Value Name used in Windows NT.

BootMethod.bat contains:

@echo offif {%1}

<h1><a name="_echo_Syntax_BootMethod_Code_X_amp_goto_EOF_setlocal_set_Code_0_if_2_" id="_echo_Syntax_BootMethod_Code_X_amp_goto_EOF_setlocal_set_Code_0_if_2_">{} @echo Syntax: BootMethod Code [X]&amp;goto :EOFsetlocalset Code=0if {%2}</a></h1>

{} goto RegReadset line= 0for /f "Tokens=2 Delims==" %%a in ('dnscmd /info^|FIND /i "fBootMethod"') do ( set line=%%a)set Code=%line:~1,1%endlocal&set %1=%Code%goto :EOF:RegReadset key=HKLMSYSTEMCurrentControlSetServicesDNSParameterscall :quietendlocal&set %1=%Code%goto :EOF:quietFor /f "Tokens=1,3" %%a in ('REG QUERY %key% /V BootMethod^|FIND /i "BootMethod"') do ( set Code=%%b)