Transfer FSMO Roles Windows Server 2008, Windows Server 2008 R2 to Windows Server 2012 R2 Domain Controller Prepared by: Sainath K.E.V Microsoft MVP –Directory Services TABLE OF C ONTENTS 1 . A Brief Introduction ............................................................................................................. 4 2 Transfer FSMO Roles from Windows Server 2008 r2 to WIndows Server 2008 R2 ...................... 5 2.1 2.1.1 Functional Levels.................................................................................................... 5 2.1.2 FSMO Roles............................................................................................................ 6 2.2 3 Transfer FSMO Roles ...................................................................................................... 7 2.2.1 Transfer Naming Master: Forest Wide...................................................................... 8 2.2.2 Transfer Schema Master – Forest Wide .................................................................... 9 2.2.3 Transfer PDC – Domain Wide................................................................................... 9 2.2.4 Transfer RID Master – Domain Wide .......................................................................10 2.2.5 Transfer Infrastructure Master – Domain Wide........................................................11 2.2.6 Validate FSMO Role transfer...................................................................................12 Transfer FSMO Roles from Windows Server 2008 r2 to Windows server 2012 r2 ......................14 3.1 Infrastructure: ..............................................................................................................14 3.1.1 Current State:........................................................................................................14 3.1.2 The target State .....................................................................................................15 3.1.3 Functional Levels ...................................................................................................15 3.2 4 Infrastructure ................................................................................................................ 5 Transfer FSMO roles......................................................................................................15 3.2.1 Transfer Naming Master: Forest Wide.....................................................................16 3.2.2 Transfer Schema Master – Forest Wide ...................................................................17 3.2.3 Transfer PDC – Domain Wide..................................................................................17 3.2.4 Transfer RID Master – Domain Wide .......................................................................18 3.2.5 Transfer Infrastructure Master – Domain Wide........................................................19 3.2.6 Validate FSMO Role transfer...................................................................................20 Transfer FSMO Roles from Windows Server 2008 to Windows Server 2012 R2 .........................22 4.1.1 Current State:........................................................................................................22 4.1.2 The target State .....................................................................................................22 4.1.3 Functional Levels ...................................................................................................22 4.2 Transfer FSMO roles......................................................................................................23 4.2.1 Transfer Naming Master: Forest Wide.....................................................................23 4.2.2 Transfer Schema Master – Forest Wide ...................................................................24 4.2.3 Transfer PDC – Domain Wide..................................................................................25 4.2.4 Transfer RID Master – Domain Wide .......................................................................26 4.2.5 Transfer Infrastructure Master – Domain Wide........................................................27 4.2.6 5 Validate FSMO Role transfer...................................................................................28 Conclusion: ..........................................................................................................................30 1 . A B RIEF I NTRODUCTION The following document explains the FSMO transfer process and validation steps from Windows Server 2008, Windows Server 2008 R2 to Windows Server 2012 R2 configured with Forest Functional Level and Domain Functional Level set to Windows Server 2003. This document does not prov ide steps required to install and configure Forests / Domains / Child Domains / OU and Security. 2 TRANSFER FSMO R OLES FROM W INDOWS S ERVER 2008 R 2 TO WI NDOWS S ERVER 2008 R2 2.1 I NFRASTRUCTURE Below is the Active Directory infrastructure setup Operating System Windows Server 2008 R2 Datacentre edition Windows Server 2008 R2 Datacentre edition Domain Corp.cloud.com Number of DC’s 1 US.corp.cloud.com 1 Schema Version 47 Schema Version List Operating System Windows 2000 RTM with all Service packs Windows Server 2003 with all Service packs Windows Server 2003 R2 with all Service packs Windows Server 2008 with all Service packs Windows Server 2008 R2 Windows Server 2012 Windows Server 2012 R2 Schema Version 13 30 31 44 47 56 69 2.1.1 F UNCTIONAL L EVELS Dn: CN=Partitions,CN=Configuration,DC=corp,DC=cloud,DC=com msDS-Behavior-Version: 2 = ( WIN2003 ); 1. Forest Functional Level = Windows Server 2003 DC Role Roles PDC FSMO ( All 5 Roles ) PDC PDC, RID, Infrastructure Master 2. Domain Functional Level = Windows Server 2003 msDS-Behavior defines the lowest limit on the Server version that can run as Domain Controller within a domain. In our scenario the value is 2, which means the following Operating Systems are allowed in the domain Windows Server 2003 Windows Server 2008 Windows Server 2008 R2 Windows Server 2012 Windows Server 2012 R2 2.1.2 FSMO R OLES FSMO Roles: 1. Domain: Corp.Cloud.com select operation target: list roles for connected server Server "am-dc1" knows about 5 roles Schema - CN=NTDS Settings,CN=AM-DC1,CN=Servers,CN=Default-First-SiteName,CN=Sites,CN=Configuration,DC=corp,DC=cloud,DC=com Naming Master - CN=NTDS Settings,CN=AM-DC1,CN=Servers,CN=Default-First-SiteName,CN=Sites,CN=Configuration,DC=corp,DC=cloud,DC=com PDC - CN=NTDS Settings,CN=AM-DC1,CN=Servers,CN=Default-First-SiteName,CN=Sites,CN=Configuration,DC=corp,DC=cloud,DC=com RID - CN=NTDS Settings,CN=AM-DC1,CN=Servers,CN=Default-First-SiteName,CN=Sites,CN=Configuration,DC=corp,DC=cloud,DC=com Infrastructure - CN=NTDS Settings,CN=AM-DC1,CN=Servers,CN=Default-First-SiteName,CN=Sites,CN=Configuration,DC=corp,DC=cloud,DC=com 2. Domain: US.corp.cloud.com select operation target: list roles for connected server Server "emea-dc1" knows about 5 roles Schema - CN=NTDS Settings,CN=AM-DC1,CN=Servers,CN=Default-First-SiteName,CN=Sites,CN=Configuration,DC=corp,DC=cloud,DC=com Naming Master - CN=NTDS Settings,CN=AM-DC1,CN=Servers,CN=Default-First-SiteName,CN=Sites,CN=Configuration,DC=corp,DC=cloud,DC=com PDC - CN=NTDS Settings,CN=EMEA-DC1,CN=Servers,CN=Default-First-SiteName,CN=Sites,CN=Configuration,DC=corp,DC=cloud,DC=com RID - CN=NTDS Settings,CN=EMEA-DC1,CN=Servers,CN=Default-First-SiteName,CN=Sites,CN=Configuration,DC=corp,DC=cloud,DC=com Infrastructure - CN=NTDS Settings,CN=EMEA-DC1,CN=Servers,CN=Default-First-SiteName,CN=Sites,CN=Configuration,DC=corp,DC=cloud,DC=com 2.2 T RANSFER FSMO R OLES Introduction: In this step a New Windows Server 2008 R2 Domain Controller is installed in the same site as PDC for Corp.cloud.com domain and FSMO roles are transferred from PDC to New DC. Below is the high level migration flow diagram Transfer FSMO Windows Server 2008 R2 Source Source Windows Server 2008 R2 Target Dn: CN=AM-DC1,OU=Domain Controllers,DC=corp,DC=cloud,DC=com operatingSystem: Window s Server 2008 R2 Datacenter; operatingSystemServicePack: Service Pack 1; operatingSystemVersion: 6.1 (7601); Target Dn: CN=AM-ADC1,OU=Domain Controllers,DC=corp,DC=cloud,DC=com operatingSystem: Window s Server 2008 R2 Datacenter; operatingSystemServicePack: Service Pack 1; operatingSystemVersion: 6.1 (7601); 2.2.1 T R AN S F ER N AMI N G MAS TER : F OR ES T W I D E Follow the below commands on the Domain Controller on which the FSMO role is being transferred 1. 2. 3. 4. 5. 6. Click Start, click Run, type ntdsutil in the Open box, and then click OK. Type roles, and then press ENTER. Note To see a list of available commands at any one of the prompts in the Ntdsutil utility, type ?, and then press ENTER. Type connections, and then press ENTER. Type connect to server AM-ADC1 and then press ENTER, where servername is the name of the domain controller you want to assign the FSMO role to. At the server connections prompt, type q, and then press ENTER. Type transfer naming master and hit enter Select Yes and the role gets successfully transferred to AM-ADC1 domain controller as shown below You can see from the above that Naming Master Server role is successfully moved to AM-ADC1 and other FSMO roles are still with AM-DC1 7. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 2.2.2 T R AN S F ER S CH EMA MAS TER – F OR ES T W I D E When transferring all roles to Target server, you can continue from above ( 1.1.2.2 ) 6th step of transferring all roles, or you can perform at later stage. To transfer Schema master follow 1.1.2.2 section –step 1 through 6 and enter the below command 1. Type transfer Schema master and hit enter Select Yes and the role gets successfully transferred to AM-ADC1 domain controller as shown below You can see from the above that Schema Master role is successfully moved to AM-ADC1 and other FSMO roles are still with AM-DC1 2. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 2.2.3 T R AN S F ER PDC – D OMAI N W I D E When transferring all roles to Target server, you can continue from above ( 1.1.2.2 ) 6th step of transferring all roles, or you can perform at later stage. To transfer PDC e mulator role follow 1.1.2.2 section –step 1 through 6 and enter the below command 1. Type transfer PDC and hit enter Select Yes and the role gets successfully transferred to AM-ADC1 domain controller as shown below You can see from the above that PDC role is successfully moved to AM-ADC1 and other FSMO roles are still with AM-DC1 2. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 2.2.4 T R AN S F ER RID MAS TER – D OMAI N W I D E When transferring all roles to Target server, you can continue from above ( 1.1.2.2 ) 6th step of transferring all roles, or you can perform at later stage. To transfer RID Master role follow 1.1.2.2 section –step 1 through 6 and enter the below command 1. Type transfer RID Master and hit enter Select Yes and the role gets successfully transferred to AM-ADC1 domain controller as shown below You can see from the above that RID Master role is successfully moved to AM-ADC1 and other FSMO roles are still with AM-DC1 At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility 2.2.5 T R AN S F ER I N F R AS TR U CTU R E MAS TER – D OMAI N W I D E When transferring all roles to Target server, you can continue from above ( 1.1.2.2 ) 6th step of transferring all roles, or you can perform at later stage. To transfer Infrastructure Master role follow 1.1.2.2 section –step 1 through 6 and enter the below command 1. Type transfer Infrastructure Master and hit enter Select Yes and the role gets successfully transferred to AM-ADC1 domain controller as shown below You can see from the above that Infrastructure Master role is successfully moved to AMADC1 and all FSMO roles are now successfully moved to target server 2. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility 2.2.6 V ALI D ATE FSMO R OLE TR AN S F ER Schema Master Search Filter: (&(objectClass=dmd)(fSMORoleOwner=*)) Domain Naming Master Search Filter: (&(objectClass=crossRefContainer)(fSMORoleOwner=*)) RID Master Search Filter : (&(objectClass=ridmanager)(fSMORoleOwner=*)) PDC Emulator Search Filter: (&(objectClass=domainDNS)(fSMORoleOwner=*)) Infrastructure Master Search Filter: (&(objectClass=infrastructureUpdate)(fSMORoleOwner=*)) 3 TRANSFER FSMO R OLES FROM W INDOWS S ERVER 2008 R 2 TO W INDOWS SERVER 2012 R 2 Introduction: In this scenario, we are adding Windows Server 2012 R2 domain controller to existing forest and transfer FSMO roles from Windows Server 2008 R2 to Windows Server 2012 R2. This activity assumes you have necessary Enterprise / Domain Administrator privileges to comp lete the activity. This section does not cover Domain Controller installation steps. 3.1 I NFRASTRUCTURE : After successful installation of Windows Server 2012 R2 Domain Controller, the Schema Version gets updated to reflect Windows Server 2012 R2 which is 69. 3.1.1 C U R R EN T S TATE : Operating System Windows Server 2008 R2 Datacentre edition Windows Server 2008 R2 Windows Server 2012 R2 Windows Server 2008 R2 Datacentre edition Domain Corp.cloud.com Schema Version 69 DC Role Roles PDC Corp.cloud.com ADC1 Corp.cloud.com ADC2 US.corp.cloud.com PDC FSMO PDC, RID, Infrastructure Master 3.1.2 T H E TAR G ET Operating System Windows Server 2008 R2 Datacentre edition Windows Server 2008 R2 Windows Server 2012 R2 Windows Server 2008 R2 Datacentre edition S TATE Domain Corp.cloud.com Schema Version 69 DC Role Roles PDC Corp.cloud.com ADC1 Corp.cloud.com ADC2 FSMO US.corp.cloud.com PDC PDC, RID, Infrastructure Master 3.1.3 F U N CTI ON AL L EVELS Forest Functional Level – 2003 Domain Functional Level – 2003 3.2 T RANSFER FSMO ROLES In this step a New Windows Server 2008 R2 Domain Controller is installed in the same site as PDC for Corp.cloud.com domain and FSMO roles are transferred from PDC to New DC. Below is the high level migration flow diagram Transfer FSMO Windows Server 2008 R2 Source Source Windows Server 2012 R2 Target Dn: CN=AM-ADC1,OU=Domain Controllers,DC=corp,DC=cloud,DC=com operatingSystem: Window s Server 2008 R2 Datacenter; operatingSystemServicePack: Service Pack 1; operatingSystemVersion: 6.1 (7601); Target Dn: CN=AMADC2,OU=Domain Controllers,DC=corp,DC=cloud,DC=com operatingSystem: Window s Server 2012 R2 Datacenter; operatingSystemVersion: 6.3 (9600); 3.2.1 T R AN S F ER N AMI N G MAS TER : F OR ES T W I D E Follow the below commands on the Domain Controller on which the FSMO role is being transferred 1. 2. 3. 4. 5. 6. Click Start, click Run, type ntdsutil in the Open box, and then click OK. Type roles, and then press ENTER. Note To see a list of available commands at any one of the prompts in the Ntdsutil utility, type ?, and then press ENTER. Type connections, and then press ENTER. Type connect to server AMADC2 and then press ENTER, where servername is the name of the domain controller you want to assign the FSMO role to. At the server connections prompt, type q, and then press ENTER. Type transfer naming master and hit enter Select Yes and the role gets successfully transferred to AMADC2 domain controller as shown below You can see from the above that Naming Master Server role is successfully moved to AMADC2 and other FSMO roles are still with AM-ADC1 7. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 3.2.2 T R AN S F ER S CH EMA MAS TER – F OR ES T W I D E When transferring all roles to Target server, you can continue from above ( 2.2.1.1 ) 6th step of transferring all roles, or you can perform at later stage. To transfer Schema master follow 2.2.1.1 section –step 1 through 6 and enter the below command 1. Type transfer Schema master and hit enter Select Yes and the role gets successfully transferred to AMADC2 domain controller as shown below You can see from the above that Schema Master role is successfully moved to AM-ADC1 and other FSMO roles are still with AMADC2 2. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 3.2.3 T R AN S F ER PDC – D OMAI N W I D E When transferring all roles to Target server, you can continue from above ( 2.2.1.1 ) 6th step of transferring all roles, or you can perform at later stage. To transfer PDC Emulator role follow 2.2.1.1 section –step 1 through 6 and enter the below command 1. Type transfer PDC and hit enter Select Yes and the role gets successfully transferred to AMADC2 domain controller as shown below You can see from the above that PDC Emulator role is successfully moved to AM-ADC1 and other FSMO roles are still with AMADC2 2. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 3.2.4 T R AN S F ER RID MAS TER – D OMAI N W I D E When transferring all roles to Target server, you can continue from above ( 2.2.1.1 ) 6th step of transferring all roles, or you can perform at later stage. To transfer RID Master role follow 2.2.1.1 section –step 1 through 6 and enter the below command 1. Type transfer RID Master and hit enter Select Yes and the role gets successfully transferred to AMADC2 domain controller as shown below You can see from the above that RID Master role is successfully moved to AM-ADC1 and other FSMO roles are still with AMADC2 2. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 3.2.5 T R AN S F ER I N F R AS TR U CTU R E MAS TER – D OMAI N W I D E When transferring all roles to Target server, you can continue from above ( 2.2.1.1 ) 6th step of transferring all roles, or you can perform at later stage. To transfer Infrastructure Master role follow 2.2.1.1 section –step 1 through 6 and enter the below command 1. Type transfer Infrastructure Master and hit enter Select Yes and the role gets successfully transferred to AMADC2 domain controller as shown below You can see from the above that Infrastructure Master role is successfully moved to AMADC1 and all roles are successfully moved to AMADC2 server successfully. 2. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 3.2.6 V ALI D ATE FSMO R OLE TR AN S F ER Schema Master Search Filter: (&(objectClass=dmd)(fSMORoleOwner=*)) Domain Naming Master Search Filter: (&(objectClass=crossRefContainer)(fSMORoleOwner=*)) RID Master Search Filter : (&(objectClass=ridmanager)(fSMORoleOwner=*)) PDC Emulator Search Filter: (&(objectClass=domainDNS)(fSMORoleOwner=*)) Infrastructure Master Search Filter: (&(objectClass=infrastructureUpdate)(fSMORoleOwner=*)) 4 TRANSFER FSMO R OLES FROM W INDOWS S ERVER 2008 TO W INDOWS S ERVER 2012 R2 Introduction: In this scenario FSMO roles are transferred from Windows Server 2008 SP2 Enterprise Edition Domain Controller to Windows Server 2012 R2 Enterprise Edition Domain Controller. This section will not cover Active Directory Forest installation and configuration. 4.1.1 C U R R EN T S TATE : Operating System Windows Server 2008 SP2 Enterprise Edition 4.1.2 T H E Domain Aus.cloud.com TAR G ET Operating System Windows Server 2008 R2 Datacentre edition Windows Server 2012 R2 Schema Version 44 DC Role Roles PDC FSMO Schema Version 69 DC Role Roles S TATE Domain aus.cloud.com aus.cloud.com 4.1.3 F U N CTI ON AL L EVELS Forest Functional Level Domain Functional Level PDC ADC2 FSMO 4.2 T RANSFER FSMO ROLES This section assumes the Windows Server 2012 R2 is installed as Additional Domain Controller and is fully functional without errors. Transfer FSMO Windows Server 2008 Sp2 Windows Server 2012 R2 Target Source Source Dn: CN=WIN-XJV5L9U8IOK,OU=Domain Controllers,DC=aus,DC=c loud,DC=com operatingSystem: Window s Server 2008 Enterprise; operatingSystemServicePack: Service Pack 2; operatingSystemVersion: 6.0 (6002); Target Dn: CN=WIN-SCHM3Q1LI98,OU=Domain Controllers,DC=corp,DC=cloud,DC=com operatingSystem: Window s Server 2012 R2 Datacenter; operatingSystemVersion: 6.3 (9600); 4.2.1 T R AN S F ER N AMI N G MAS TER : F OR ES T W I D E Follow the below commands on the Domain Controller on which the FSMO role is being transferred 8. 9. Click Start, click Run, type ntdsutil in the Open box, and then click OK. Type roles, and then press ENTER. Note To see a list of available commands at any one of the prompts in the Ntdsutil utility, type ?, and then press ENTER. 10. Type connections, and then press ENTER. 11. Type connect to server WIN-SCHM3Q1LI98 and then press ENTER, where servername is the name of the domain controller you want to assign the FSMO role to. 12. At the server connections prompt, type q, and then press ENTER. 13. Type transfer naming master and hit enter Select Yes and the role gets successfully transferred to WIN-SCHM3Q1LI98 domain controller as shown below You can see from the above that Naming Master Server role is successfully moved to WIN-SCHM3Q1LI98 and other FSMO roles are still with WIN-XJV5L9U8IOK 14. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 4.2.2 T R AN S F ER S CH EMA MAS TER – F OR ES T W I D E When transferring all roles to Target server, you can continue from above ( 2.2.1.1 ) 6th step of transferring all roles, or you can perform at later stage. To transfer Schema master follow 2.2.1.1 section –step 1 through 6 and enter the below command 3. Type transfer Schema master and hit enter Select Yes and the role gets successfully transferred to WIN-SCHM3Q1LI98 domain controller as shown below You can see from the above that Schema Master role is successfully moved to WINSCHM3Q1LI98 and other FSMO roles are still with WIN-XJV5L9U8IOK 4. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 4.2.3 T R AN S F ER PDC – D OMAI N W I D E When transferring all roles to Target server, you can continue from above ( 2.2.1.1 ) 6th step of transferring all roles, or you can perform at later stage. To transfer PDC Emulator role follow 2.2.1.1 section –step 1 through 6 and enter the below command 3. Type transfer PDC and hit enter Select Yes and the role gets successfully transferred to WIN-SCHM3Q1LI98 domain controller as shown below You can see from the above that PDC Emulator role is successfully moved to WINSCHM3Q1LI98 and other FSMO roles are still with WIN-XJV5L9U8IOK 4. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 4.2.4 T R AN S F ER RID MAS TER – D OMAI N W I D E When transferring all roles to Target server, you can continue from above ( 2.2.1.1 ) 6th step of transferring all roles, or you can perform at later stage. To transfer RID Master role follow 2.2.1.1 section –step 1 through 6 and enter the below command 1. Type transfer RID Master and hit enter Select Yes and the role gets successfully transferred to WIN-SCHM3Q1LI98 domain controller as shown below You can see from the above that RID Master role is successfully moved to WIN-SCHM3Q1LI98 and other FSMO roles are still with WIN-XJV5L9U8IOK 2. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 4.2.5 T R AN S F ER I N F R AS TR U CTU R E MAS TER – D OMAI N W I D E When transferring all roles to Target server, you can continue from above ( 2.2.1.1 ) 6th step of transferring all roles, or you can perform at later stage. To transfer Infrastructure Master role follow 2.2.1.1 section –step 1 through 6 and enter the below command 1. Type transfer Infrastructure Master and hit enter Select Yes and the role gets successfully WIN-SCHM3Q1LI98 transferred to domain controller as shown below You can see from the above that Infrastructure Master role is successfully moved to WINSCHM3Q1LI98 and all roles are successfully moved to WIN-SCHM3Q1LI98 server successfully. 2. At the fsmo maintenance prompt, type q, and then press ENTER to gain access to the ntdsutil prompt. Type q, and then press ENTER to quit the Ntdsutil utility. 4.2.6 V ALI D ATE FSMO R OLE TR AN S F ER Schema Master Search Filter: (&(objectClass=dmd)(fSMORoleOwner=*)) Domain Naming Master Search Filter: (&(objectClass=crossRefContainer)(fSMORoleOwner=*)) RID Master Search Filter : (&(objectClass=ridmanager)(fSMORoleOwner=*)) PDC Emulator Search Filter: (&(objectClass=domainDNS)(fSMORoleOwner=*)) Infrastructure Master Search Filter: (&(objectClass=infrastructureUpdate)(fSMORoleOwner=*)) 5 C ONCLUSION : This document outlines different scenarios for transferring FSMO roles from Windows Server 2008, Windows Server 2008 R2 to Windows Server 2012 R2 Domain controllers. This document also outlines the steps required to validate the changes post FSMO role transfer. Functional Levels do not have dependency on FSMO roles placement It is possible to a) Add Windows Server 2012 R2 Domain Controller to existing Windows Server 2008 domain controller infrastructure running with Forest Functional Level and Domain Functional Level set to Windows Server 2003 b) Add Windows Server 2012 R2 Domain Controller to existing Windows Server 2008 R2 domain controller infrastructure running with Forest Functional Level and Domain Functional Level set to Windows Server 2003 c) Transfer FSMO roles from Windows Server 2008 Primary Domain Controller to Windows Server 2012 R2 Additional Domain Controller With Forest Functional Level and Domain Functional Level set to Windows Server 2003 d) Transfer FSMO roles from Windows Server 2008 R2 Primary Domain Controller to Windows Server 2008 R2 Additional Domain Controller With Forest Functional Level and Domain Functional Level set to Windows Server 2003 e) Transfer FSMO roles from Windows Server 2008 R2 Primary Domain Controller to Windows Server 2012 R2 Additional Domain Controller With Forest Functional Level and Domain Functional Level set to Windows Server 2003