JSI Tip 7990. Another way to test if a domain controller is a Global Catalog server?

In tip 7670, I used RepAdmin.exe to script ISGC.bat.

Using DSQUERY, an Active Directory command-line tool, I have scripted another version of ISGC.bat to test if a server is a Global Catalog server.

The syntax for using ISGC.bat is:

call ISGC ServerName GCVar

Where ServerName is the NetBIOS name of the domain controller, and GCVar is a call directed environment variable that will be set to:

X    if the server is not found, or is not a domain controller.
Y    if the domain controller is a Global Catalog server.
N    if the domain controller is NOT a Global Catalog server.

ISGC.bat contains:

@echo off
if \{%2\}==\{\} @echo Syntax: ISGC ServerName GCVar&exit /b 1
:: Initialize GCVar to X (NOT Found or NOT a DC).
set %2=X
for /f "Tokens=*" %%s in ('dsquery server -domain "%USERDNSDOMAIN%" -name %1') do (
:: Server is found.
 set %2=N
 for /f "Tokens=*" %%g in ('dsquery server -domain "%USERDNSDOMAIN%" -name %1 -isgc') do (
:: Server is a Global Catalog Server.
  set %2=Y
 )
)



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