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vCenter Server fails to connect to View Composer with the error: Unable to connect to the View Composer. (1009328)


If you add vCenter Server in View Manager with a domain admin account and try to assign new credentials to the vCenter Server instance, you may experience these symptoms:

  • vCenter Server cannot connect to View Composer.
  • You see the error:

    Unable to connect to the View Composer. Check the event log and the log of the View Composer Server for errors.


To use vCenter Server with View Manager, administrators must have permission to carry out certain operations in vCenter Server. These permissions are granted by creating and assigning vCenter Server roles to a View Manager user from within v Center Server.
Note: Administrative users in vCenter Server have all the requisite permissions enabled by default.
Assign the View Manager administrator the role of administrator for a datacenter or cluster where pools will be created so that they can make the required changes.
To create a View Manager role for vCenter Server user:
  1. In vCenter Server, click Administration.
  2. If it is not already selected, click the Roles tab and click Add Role.
  3. Enter a name for the role (View Administrator, for example).
  4. In the list of Privileges, expand Folder and select Create Folder and Delete Folder.
  5. Expand Virtual Machine and perform the following steps:
    1. Expand Inventory and select Create and select Remove.
    2. Expand Interaction and click Power On, Power Off, Suspend, and Reset.
    3. Expand Configuration and select Add new disk, Add or Remove Device, Modify Device Settings, and Advanced.
    4. Expand Provisioning and select Customize, Deploy Template, and Read Customization Specifications.
    5. Expand Resource and select Assign Virtual Machine to Resource Pool.
  6. Click OK. The new role appears in the list of roles.  

For more information, see the View Manager Administration Guide.

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