Problem bei Installation von Exchange 2010 SP2

Fehler:
Der folgende Fehler wurde generiert, als "$error.Clear(); 
          Write-ExchangeSetupLog -Info "Set the default Accepted domain from the default recipient policy";
          $defaultEmailAddressPolicy = get-EmailAddressPolicy -Identity:"Default Policy";
          $defaultSmtpTemplate = $defaultEmailAddressPolicy.EnabledPrimarySMTPAddressTemplate;
          $index = $defaultSmtpTemplate.IndexOf("@") + 1;
          $eapAuthoritativeDomain = $defaultSmtpTemplate.Substring($index);
          $acceptedDomains = Get-AcceptedDomain;
          $defaultDomain = $acceptedDomains | Where {$_.DomainName -eq $eapAuthoritativeDomain -or $_.DomanName -eq "*.$eapAuthoritativeDomain" };
          # If an accepted domain couldn't be found which matches the default email address policy, then try and find
          # the wildcard domain which matches it and set that as the default
          While ($defaultDomain -eq $null -and $eapAuthoritativeDomain.Contains(".")) {
              $index = $eapAuthoritativeDomain.IndexOf(".") + 1;
              $eapAuthoritativeDomain = $eapAuthoritativeDomain.Substring($index);
              $defaultDomain = $acceptedDomains | Where {$_.DomainName -eq "*.$eapAuthoritativeDomain" };
          };
          $defaultDomain | set-accepteddomain -MakeDefault:$true;
          Write-ExchangeSetupLog -Info "Default domain $defaultDomain";
        " ausgeführt wurde: "Das Argument kann nicht an den Parameter "Identity" gebunden werden, da es NULL ist.".
Das Argument kann nicht an den Parameter "Identity" gebunden werden, da es NULL ist.

[PS] C:\Windows\system32>get-globaladdresslist -Identity "Globale Standardadressliste" | format-list
RunspaceId                   : 9633d550-c345-4e88-9ea3-c04f3413d961
IsDefaultGlobalAddressList   : True
Name                         : Globale Standardadressliste
RecipientFilter              : ((Alias -ne $null) -and (((ObjectClass -eq 'user') -or (ObjectClass -eq 'contact') -or (
                               ObjectClass -eq 'msExchSystemMailbox') -or (ObjectClass -eq 'msExchDynamicDistributionLi
                               st') -or (ObjectClass -eq 'group') -or (ObjectClass -eq 'publicFolder'))))
LdapRecipientFilter          : (&(mailNickname=*)(|(objectClass=user)(objectClass=contact)(objectClass=msExchSystemMail
                               box)(objectClass=msExchDynamicDistributionList)(objectClass=group)(objectClass=publicFol
                               der)))
LastUpdatedRecipientFilter   :
RecipientFilterApplied       : True
IncludedRecipients           :
ConditionalDepartment        : {}
ConditionalCompany           : {}
ConditionalStateOrProvince   : {}
ConditionalCustomAttribute1  : {}
ConditionalCustomAttribute2  : {}
ConditionalCustomAttribute3  : {}
ConditionalCustomAttribute4  : {}
ConditionalCustomAttribute5  : {}
ConditionalCustomAttribute6  : {}
ConditionalCustomAttribute7  : {}
ConditionalCustomAttribute8  : {}
ConditionalCustomAttribute9  : {}
ConditionalCustomAttribute10 : {}
ConditionalCustomAttribute11 : {}
ConditionalCustomAttribute12 : {}
ConditionalCustomAttribute13 : {}
ConditionalCustomAttribute14 : {}
ConditionalCustomAttribute15 : {}
RecipientContainer           :
RecipientFilterType          : Custom
IsValid                      : True
ExchangeVersion              : 0.1 (8.0.535.0)
DistinguishedName            : CN=Globale Standardadressliste,CN=All Global Address Lists,CN=Address Lists Container,CN
                               =First Organization,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=contoso,D
                               C=local
Identity                     : \Globale Standardadressliste
Guid                         : 92531c67-b345-4a6a-a1f7-981a44120fff
ObjectCategory               : contoso.local/Configuration/Schema/Address-Book-Container
ObjectClass                  : {top, addressBookContainer}
WhenChanged                  : 15.06.2012 12:12:49
WhenCreated                  : 15.06.2012 12:12:49
WhenChangedUTC               : 15.06.2012 10:12:49
WhenCreatedUTC               : 15.06.2012 10:12:49
OrganizationId               :
OriginatingServer            : server.contoso.local