REPLMON

Go to run - Type - Replmon

right-click on domain - properties

 

 The easy way:

NetDOM /query FSMO

The Common way:

How to Determine the RID, PDC, and Infrastructure FSMO Holders of a Selected Domain

1.	Click Start, click Run, type dsa.msc, and then click OK.
2.	Right-click the selected Domain Object in the top left pane, and then click Operations Masters.
3.	Click the PDC tab to view the server holding the PDC master role.
4.	Click the Infrastructure tab to view the server holding the Infrastructure master role.
5.	Click the RID Pool tab to view the server holding the RID master role.

How to Determine the Schema FSMO Holder in a Forest

1.	Click Start, click Run, type mmc, and then click OK.
2.	On the Console menu, click Add/Remove Snap-in, click Add, double-click Active Directory Schema, click Close, and then click OK.
3.	Right-click Active Directory Schema in the top left pane, and then click Operations Masters to view the server holding the schema master role.

NOTE: For the Active Directory Schema snap-in to be available, you may have to register the Schmmgmt.dll file. To do this, click Start, click Run, type regsvr32 schmmgmt.dll in the Open box, and then click OK. A message is displayed that states the registration was successful.

How to Determine the Domain Naming FSMO Holder in a Forest

1.	Click Start, click Run, type mmc, and then click OK.
2.	On the Console menu, click Add/Remove Snap-in, click Add, double-click Active Directory Domains and Trusts, click Close, and then click OK.
3.	In the left pane, click Active Directory Domains and Trusts.
4.	Right-click Active Directory Domains and Trust, and then click Operations Master to view the server holding the domain naming master role in the Forest.

The Cool Way

1. On any domain controller, click Start, click Run, type Ntdsutil in the Open box, and then click OK.
2. Type roles, and then press ENTER.
3. Type connections, and then press ENTER.
4. Type connect to server <servername>, where <servername> is the name of the server you want to use, and then press ENTER.
5. At the server connections: prompt, type q, and then press ENTER again.
6. At the FSMO maintenance: prompt, type Select operation target, and then press ENTER again.
7. At the select operation target: prompt, type List roles for connected server, and then press ENTER again.
8. Type q 3 times to exit the Ntdsutil prompt.

The hard way

Write a script to query ADSI edit to obtain the FSMO role holders.  Fortunatly the hardwork has already been done for you..  Just paste the following for an example:

Option Explicit
Dim WSHNetwork, objArgs, ADOconnObj, bstrADOQueryString, RootDom, RSObj
Dim FSMOobj,CompNTDS, Computer, Path, HelpText