> Source: [sk160574](https://support.checkpoint.com/results/sk/sk160574)

# sk160574 - Manual Synchronization fails from primary MDS to other domains

| Property | Value |
|----------|-------|
| Solution ID | sk160574 |
| Date Created | 2019-08-26 |
| Last Modified | 2024-06-26 |
| Technical Level | General |
| Products | Multi-Domain Security Management Server |
| Versions | R81 (EOS), R81.10 (EOS), R81.20 |
| OS | Gaia |

## Symptoms

- * Manual Synchronization fails from primary MDS to other domains with the following error:  
  "Synchronization error - \<Domain name\> - NGM failed to export data sync error from \<MDS name\>" Manual Synchronization fails from primary MDS to other domains with the following error : Failed to synchronize peer '' - - NGM failed to import data
* "Failed to sync peer - Global Domain is incompatible with the Domains" error message.
* Automatic Sync fails even if manual synchronization works for other domains.
* *cpm* debug of the primary MDS shows  
  "There are invalid assignments on peer. Remove the following assignments and run Full Sync again: Assignment from domain \<Domain objid\> to Domain \<Domain objid\> with worksession \<worksession id\>
* Script from [sk117012](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk117012), " Scenario 1 - Multi-Domain Management Server Synchronization Failure", does not resolve the issue.
* The Global Domain in SmartConsoles shows: "Failed to sync peer - Global Domain is incompatible with the Domains".
* The `cpm.elg` file shows: Tried to get a non existing session \<UID\>, Couldn't find it in database

## Solution

This problem was fixed. The fix is included in:

* **[Check Point R80.40](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk160736)**
* **[Jumbo Hotfix Accumulator for](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk153152)** [**R80.30**](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk153152)**- Since Take 76**
* **[Jumbo Hotfix Accumulator for R80.20](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk137592) - Since Take 103**

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**Important: The above fix solves the problem, but does not prevent it.
To clear the the problem after the fix is installed please connect [contact Check Point Support](https://www.checkpoint.com/support-services/contact-support/)**   

If you do not wish to upgrade, [contact Check Point Support](https://www.checkpoint.com/support-services/contact-support/) to get a solution/ Hotfix for this issue .   
A Support Engineer will make sure the Hotfix is compatible with your environment before providing the Hotfix.   
For faster resolution and verification please collect [CPinfo](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk92739) files from the Security Management and Security Gateways involved in the case.  

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