Exchange 2010 Mailbox Role Install

Question

I recieve this error when trying to add the mailbox roles  Can some please guide me in the right direction.
Summary: 3 item(s). 1 succeeded, 1 failed.
Elapsed time: 00:01:44
Preparing Setup
Completed
Elapsed Time: 00:00:00
Mailbox Role
Failed
Error:
The following error was generated when "$error.Clear(); $name = [Microsoft.Exchange.Management.RecipientTasks.EnableMailbox]::DiscoveryMailboxUniqueName; $dispname = [Microsoft.Exchange.Management.RecipientTasks.EnableMailbox]::DiscoveryMailboxDisplayName; $dismbx = get-mailbox -Filter {name -eq $name} -IgnoreDefaultScope -resultSize 1; if( $dismbx -ne $null) { $srvname = $dismbx.ServerName; if( $dismbx.Database -ne $null -and $RoleFqdnOrName -like "$srvname.*" ) { Write-ExchangeSetupLog -info "Setup DiscoverySearchMailbox Permission."; $mountedMdb = get-mailboxdatabase $dismbx.Database -status | where { $_.Mounted -eq $true }; if( $mountedMdb -eq $null ) { Write-ExchangeSetupLog -info "Mounting database before stamp DiscoverySearchMailbox Permission..."; mount-database $dismbx.Database; } $mountedMdb = get-mailboxdatabase $dismbx.Database -status | where { $_.Mounted -eq $true }; if( $mountedMdb -ne $null ) { $dmRoleGroupName = "Discovery Management"; $dmRoleGroup = Get-RoleGroup -Identity $dmRoleGroupName -DomainController $RoleDomainController -ErrorAction:SilentlyContinue; if( $dmRoleGroup -ne $null ) { Add-MailboxPermission $dismbx -User $dmRoleGroup.Identity -AccessRights FullAccess -DomainController $RoleDomainController -WarningAction SilentlyContinue; } } } }" was run: "You must provide a value for this property. Property Name: HostServer".
You must provide a value for this property. Property Name: HostServer
Error:
The following error was generated when "$error.Clear(); $name = [Microsoft.Exchange.Management.RecipientTasks.EnableMailbox]::DiscoveryMailboxUniqueName; $dispname = [Microsoft.Exchange.Management.RecipientTasks.EnableMailbox]::DiscoveryMailboxDisplayName; $dismbx = get-mailbox -Filter {name -eq $name} -IgnoreDefaultScope -resultSize 1; if( $dismbx -ne $null) { $srvname = $dismbx.ServerName; if( $dismbx.Database -ne $null -and $RoleFqdnOrName -like "$srvname.*" ) { Write-ExchangeSetupLog -info "Setup DiscoverySearchMailbox Permission."; $mountedMdb = get-mailboxdatabase $dismbx.Database -status | where { $_.Mounted -eq $true }; if( $mountedMdb -eq $null ) { Write-ExchangeSetupLog -info "Mounting database before stamp DiscoverySearchMailbox Permission..."; mount-database $dismbx.Database; } $mountedMdb = get-mailboxdatabase $dismbx.Database -status | where { $_.Mounted -eq $true }; if( $mountedMdb -ne $null ) { $dmRoleGroupName = "Discovery Management"; $dmRoleGroup = Get-RoleGroup -Identity $dmRoleGroupName -DomainController $RoleDomainController -ErrorAction:SilentlyContinue; if( $dmRoleGroup -ne $null ) { Add-MailboxPermission $dismbx -User $dmRoleGroup.Identity -AccessRights FullAccess -DomainController $RoleDomainController -WarningAction SilentlyContinue; } } } }" was run: "Value cannot be null.
Parameter name: key".
Value cannot be null.
Parameter name: key
Error:
The following error was generated when "$error.Clear(); $name = [Microsoft.Exchange.Management.RecipientTasks.EnableMailbox]::DiscoveryMailboxUniqueName; $dispname = [Microsoft.Exchange.Management.RecipientTasks.EnableMailbox]::DiscoveryMailboxDisplayName; $dismbx = get-mailbox -Filter {name -eq $name} -IgnoreDefaultScope -resultSize 1; if( $dismbx -ne $null) { $srvname = $dismbx.ServerName; if( $dismbx.Database -ne $null -and $RoleFqdnOrName -like "$srvname.*" ) { Write-ExchangeSetupLog -info "Setup DiscoverySearchMailbox Permission."; $mountedMdb = get-mailboxdatabase $dismbx.Database -status | where { $_.Mounted -eq $true }; if( $mountedMdb -eq $null ) { Write-ExchangeSetupLog -info "Mounting database before stamp DiscoverySearchMailbox Permission..."; mount-database $dismbx.Database; } $mountedMdb = get-mailboxdatabase $dismbx.Database -status | where { $_.Mounted -eq $true }; if( $mountedMdb -ne $null ) { $dmRoleGroupName = "Discovery Management"; $dmRoleGroup = Get-RoleGroup -Identity $dmRoleGroupName -DomainController $RoleDomainController -ErrorAction:SilentlyContinue; if( $dmRoleGroup -ne $null ) { Add-MailboxPermission $dismbx -User $dmRoleGroup.Identity -AccessRights FullAccess -DomainController $RoleDomainController -WarningAction SilentlyContinue; } } } }" was run: "You must provide a value for this property. Property Name: HostServer".
You must provide a value for this property. Property Name: HostServer
Elapsed Time: 00:01:44
Finalizing Setup
Cancelled

Answer 1

hi i am facing issue with HUB role in exchange 2010...
anyone would like to help me here.?
====================================
] [1] [ERROR] The following error was generated when "$error.Clear();
          if (!$RoleIsDatacenter)
            $arbUsers = @(get-user -Filter {lastname -eq "MSExchApproval 1f05a927-3be2-4fb9-aa03-b59fe3b56f4c"} -IgnoreDefaultScope -ResultSize 1);
            if ($arbUsers.Length -ne 0)
              $mbxname = $arbUsers[0].name;
              $mbxs = @( get-mailbox -arbitration -Filter {name -eq $mbxname} -IgnoreDefaultScope -resultSize 1 );
              if ( $mbxs.length -eq 0)
                $dbs = @(get-MailboxDatabase -Server:$RoleFqdnOrName -DomainController $RoleDomainController);
                if ($dbs.Length -ne 0)
                  enable-mailbox -Arbitration -identity $arbUsers[0] -database $dbs[0].Identity;
        " was run: "Active Directory operation failed on UATAD.uat.com. This error is not retriable. Additional information: An attempt was made to modify an object to include an attribute that is not legal for its
class.
Active directory response: 0000207D: UpdErr: DSID-0315121C, problem 6002 (OBJ_CLASS_VIOLATION), data -1775591100
[02/11/2015 07:38:25.0642] [1] [ERROR] Active Directory operation failed on UATAD.uat.com. This error is not retriable. Additional information: An attempt was made to modify an object to include an attribute that is not legal for its class.
Active directory response: 0000207D: UpdErr: DSID-0315121C, problem 6002 (OBJ_CLASS_VIOLATION), data -1775591100
[02/11/2015 07:38:25.0642] [1] [ERROR] An object class violation occurred.
[02/11/2015 07:38:25.0642] [1] [ERROR-REFERENCE] Id=SystemAttendantDependent___04bbd8c4a86b4d2c9403cdddf5b39579 Component=EXCHANGE14:\Current\Release\Transport\BCM\Moderated Transport
[02/11/2015 07:38:25.0642] [1] Setup is stopping now because of one or more critical errors.
[02/11/2015 07:38:25.0642] [1] Finished executing component tasks.
[02/11/2015 07:38:25.0829] [1] Ending processing Install-MailboxRole
Thanks