PS C:\Windows\system32> dcdiag /e /test:sysvolcheck /test:advertising

Directory Server Diagnosis

Performing initial setup:
   Trying to find home server...
   Home Server = DC1
   * Identified AD Forest.
   Done gathering initial info.

Doing initial required tests

   Testing server: Auckland\DC1
      Starting test: Connectivity
         ......................... DC1 passed test Connectivity

   Testing server: Wellington\DC2
      Starting test: Connectivity
         ......................... DC2 passed test Connectivity

   Testing server: Sydney\TDC3
      Starting test: Connectivity
         ......................... TDC3 passed test Connectivity

Doing primary tests

   Testing server: Auckland\DC1
      Starting test: Advertising
         ......................... DC1 passed test Advertising
      Starting test: SysVolCheck
         ......................... DC1 passed test SysVolCheck

   Testing server: Wellington\DC2
      Starting test: Advertising
         ......................... DC2 passed test Advertising
      Starting test: SysVolCheck
         ......................... DC2 passed test SysVolCheck

   Testing server: Sydney\TDC3
      Starting test: Advertising
         ......................... TDC3 passed test Advertising
      Starting test: SysVolCheck
         ......................... TDC3 passed test SysVolCheck




   Running partition tests on : ForestDnsZones

   Running partition tests on : DomainDnsZones

   Running partition tests on : Schema

   Running partition tests on : Configuration

   Running partition tests on : company

   Running enterprise tests on : company.com