if ($RoleDatacenterIsManagementForest -eq "True") { $userName = "OspAzureUser"; $OspElevationScriptsRoleName = "OspElevation"; ...

if ($RoleDatacenterIsManagementForest -eq "True")          {              $userName = "OspAzureUser";              $OspElevationScriptsRoleName = "OspElevation";              $roleAssignment = Get-ManagementRoleAssignment -Role $OspElevationScriptsRoleName -RoleAssignee $userName -DomainController $RoleDomainController;              if ($roleAssignment -eq $null)              {                  Write-ExchangeSetupLog -Info "Creating a new role assignment for role '$OspElevationScriptsRoleName' and user '$userName'."                  New-ManagementRoleAssignment -Role $OspElevationScriptsRoleName -User $userName -DomainController $RoleDomainController;              }          }