خطای RPC is unavailable در باز کردن کنسول مدیریت کاربران AD

با سلام دوستان،وقتی میخام active directory user and computer رو باز کنم پیغام زیر رو میده و باز نمیشه ، dns رو چک کردم به درستی کار میکنه،حتی با اسم میتونم ping هم کنم،dc additional هم میتونه با سرور اصلی replicate کنه و حتی توی additional هم میتونم active directory user and computer رو ببینم اما توی سرور اصلی dcdiag هم گرفتم که نتیجشو میذارم دوستان هم نظر بدن :

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

Doing initial required tests

   Testing server: mydomain\DCCOMPUTER
      Starting test: Connectivity
         ......................... DCCOMPUTER passed test Connectivity

Doing primary tests

   Testing server: mydomain\DCCOMPUTER
      Starting test: Advertising
         Warning: DsGetDcName returned information for \\DC2COMPUTER.mydomain.com,
         when we were trying to reach DCCOMPUTER.
         SERVER IS NOT RESPONDING or IS NOT CONSIDERED SUITABLE.
         ......................... DCCOMPUTER failed test Advertising
      Starting test: FrsEvent
         ......................... DCCOMPUTER passed test FrsEvent
      Starting test: DFSREvent
         ......................... DCCOMPUTER passed test DFSREvent
      Starting test: SysVolCheck
         ......................... DCCOMPUTER passed test SysVolCheck
      Starting test: KccEvent
         ......................... DCCOMPUTER passed test KccEvent
      Starting test: KnowsOfRoleHolders
         ......................... DCCOMPUTER passed test KnowsOfRoleHolders
      Starting test: MachineAccount
         * The current DC is not in the domain controller's OU
         ......................... DCCOMPUTER failed test MachineAccount
      Starting test: NCSecDesc
         ......................... DCCOMPUTER passed test NCSecDesc
      Starting test: NetLogons
         [DCCOMPUTER] User credentials does not have permission to perform this
         operation.
         The account used for this test must have network logon privileges
         for this machine's domain.
         ......................... DCCOMPUTER failed test NetLogons
      Starting test: ObjectsReplicated
         ......................... DCCOMPUTER passed test ObjectsReplicated
      Starting test: Replications
         [Replications Check,DCCOMPUTER] DsReplicaGetInfo(PENDING_OPS, NULL)
         failed, error 0x2105 "Replication access was denied."
         ......................... DCCOMPUTER failed test Replications
      Starting test: RidManager
         ......................... DCCOMPUTER passed test RidManager
      Starting test: Services
            Could not open NTDS Service on DCCOMPUTER, error 0x5
            "Access is denied."
            NETLOGON Service is paused on [DCCOMPUTER]
         ......................... DCCOMPUTER failed test Services
      Starting test: SystemLog
         An error event occurred.  EventID: 0x00000457
            Time Generated: 07/20/2014   09:47:02
            Event String:
            Driver Nitro PDF Driver 2 required for printer Nitro PDF Creator 2 i
s unknown. Contact the administrator to install the driver before you log in aga
in.
         An error event occurred.  EventID: 0x00000457
            Time Generated: 07/20/2014   09:51:57
            Event String:
            Driver Nitro PDF Driver 2 required for printer Nitro PDF Creator 2 i
s unknown. Contact the administrator to install the driver before you log in aga
in.
         An error event occurred.  EventID: 0x00000457
            Time Generated: 07/20/2014   09:55:32
            Event String:
            Driver Nitro PDF Driver 2 required for printer Nitro PDF Creator 2 i
s unknown. Contact the administrator to install the driver before you log in aga
in.
         An error event occurred.  EventID: 0x00000457
            Time Generated: 07/20/2014   10:04:05
            Event String:
            Driver Nitro PDF Driver 2 required for printer Nitro PDF Creator 2 i
s unknown. Contact the administrator to install the driver before you log in aga
in.
         ......................... DCCOMPUTER failed test SystemLog
      Starting test: VerifyReferences
         ......................... DCCOMPUTER passed test VerifyReferences


   Running partition tests on : ForestDnsZones
      Starting test: CheckSDRefDom
         ......................... ForestDnsZones passed test CheckSDRefDom
      Starting test: CrossRefValidation
         ......................... ForestDnsZones passed test
         CrossRefValidation

   Running partition tests on : DomainDnsZones
      Starting test: CheckSDRefDom
         ......................... DomainDnsZones passed test CheckSDRefDom
      Starting test: CrossRefValidation
         ......................... DomainDnsZones passed test
         CrossRefValidation

   Running partition tests on : Schema
      Starting test: CheckSDRefDom
         ......................... Schema passed test CheckSDRefDom
      Starting test: CrossRefValidation
         ......................... Schema passed test CrossRefValidation

   Running partition tests on : Configuration
      Starting test: CheckSDRefDom
         ......................... Configuration passed test CheckSDRefDom
      Starting test: CrossRefValidation
         ......................... Configuration passed test CrossRefValidation

   Running partition tests on : mydomain
      Starting test: CheckSDRefDom
         ......................... mydomain passed test CheckSDRefDom
      Starting test: CrossRefValidation
         ......................... mydomain passed test CrossRefValidation

   Running enterprise tests on : mydomain.com
      Starting test: LocatorCheck
information cannot be located because RPC server is unavailable.