Exchange 2013 kurulum hatasi

selamlar;

sanal sunucu olarak exc2k13 kuracagim

sanal os 2008 r2 sp1 , gerekli tüm yamalar kuruldu, domaine dahil olundu , admin olarak oturum açıldı mamafi sürekli aşağıdakı hatayı alıyorum 

 

Error:

You must be a member of the 'Organization Management' role group or a member of the 'Enterprise Admins' group to continue.

For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.GlobalServerInstall.aspx

Error:

You must use an account that's a member of the Organization Management role group to install or upgrade the first Mailbox server role in the topology.

For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.DelegatedBridgeheadFirstInstall.aspx

Error:

You must use an account that's a member of the Organization Management role group to install the first Client Access server role in the topology.

For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.DelegatedCafeFirstInstall.aspx

Error:

You must use an account that's a member of the Organization Management role group to install the first Client Access server role in the topology.

For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.DelegatedFrontendTransportFirstInstall.aspx

Error:

You must use an account that's a member of the Organization Management role group to install or upgrade the first Mailbox server role in the topology.

For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.DelegatedMailboxFirstInstall.aspx

Error:

You must use an account that's a member of the Organization Management role group to install or upgrade the first Client Access server role in the topology.

For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.DelegatedClientAccessFirstInstall.aspx

Error:

You must use an account that's a member of the Organization Management role group to install the first Mailbox server role in the topology.

For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.DelegatedUnifiedMessagingFirstInstall.aspx

Error:

Setup encountered a problem while validating the state of Active Directory: Could not find any Global Catalog in forest xxxx.akbm.

For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.AdInitErrorRule.aspx

Error:

Either Active Directory doesn't exist, or it can't be contacted.

For more information, visit: http://technet.microsoft.com/library(EXCHG.150)/ms.exch.setupreadiness.CannotAccessAD.aspx