> Source: [sk106779](https://support.checkpoint.com/results/sk/sk106779)

# sk106779 - "Failed to connect to the Domain Management Server managing the VSX gateway/cluster" error in SmartDashboard

| Property | Value |
|----------|-------|
| Solution ID | sk106779 |
| Date Created | 2015-07-16 |
| Last Modified | 2023-06-25 |
| Technical Level | Advanced |
| Products | Multi-Domain Security Management Server |
| Versions | R82.10, R81.20, R82, R82.20 |
| OS | Linux, Gaia |

## Symptoms

- * Scenario 1:
  * `"Failed to connect to the domain Management Server managing the VSX gateway/cluster. Please make sure that the active Domain Management servers up"` error appears When trying to edit a Virtual System on target CMA GUI.
  * FWM debug on Target CMA shows:

    ```
    
    		User Message:
    		Debug Message: Schema does not contain type 'vs_cluster_netobj' under namespace http://www.checkpoint.com/Objects
    		File Name: CDleSchemaMgr.cpp
    		Line number: 282
    		Inner: NONE
    		Details:
    		[FWM @MGMT[ ] CDleFastPass::getObject-->Failed converting from cpmix to dle
    ```

  <br />

  <br />

* Scenario 2: `"Failed to connect to the Domain Management Server managing the VSX gateway/cluster. Please make sure that the active Domain Management Server is up.`" error appears in SmartDashboard when creating a new Virtual System / Virtual Router / Virtual Switch.

  <br />

  <br />

* Scenario 3: <br />

  * `"Failed to connect to the domain Management Server managing the VSX gateway/cluster` error when opening VS objects.
  * The `vsx_util upgrade` command fails with `"No active Domain Management Server for Domain. Please make sure that the active Domain Management Server is up."`

  <br />

## Cause

* In Scenario 1: *newDleSchema.xsd* file was corrupted on both Main and Target CMAs.  

* In Scenario 2*: Target* Domain Management Server (that manages the newly created VS / VR / VSW) is not able to communicate with the *Main* Domain Management Server (that manages the VSX gateway/cluster).  

* In Scenario 3: The domain name has been changed during an upgrade. The *target_customer* field in the main CMA database for the VS object is set to a non-existing domain.

## Solution

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