> Source: [sk161113](https://support.checkpoint.com/results/sk/sk161113)

# sk161113 - All Endpoint Security Clients are in disconnected state after upgrading Endpoint Security Server to R80.30

| Property | Value |
|----------|-------|
| Solution ID | sk161113 |
| Date Created | 2019-08-23 |
| Last Modified | 2019-11-20 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X, R82.20, R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * All Endpoint Security Clients are in disconnected state after upgrading Endpoint Security Server to R80.30.
* The following error appears in *$UEPMDIR/logs/server_messages.log* : `[Date and Time] ERROR Dispatcher-Thread-9 - A server exception occurred while handling an endpoint request. Request size: 3512, scheme: http, port: 80, uri: /cp/connectionPoint/syncreq, ip:`  
  ` /X.X.X.X:XXXXX, opType: SYNC_REQUEST, useZpdoc: true (ConnectionPointServlet)
  com.checkpoint.uepm.connectionpoint.ConnectionPointException: TICKET_NUMBER = XXXXXXX. java.lang.NullPointerException`  
  `
  at com.checkpoint.uepm.connectionpoint.ServletUtils.handleException(ServletUtils.java:92)`  
  `
  ...`  
  `
  Caused by: `**java.lang.NullPointerException**   
  `
  at com.checkpoint.uepm.policyassignmentssm.calculator.impl.DeviceInfoImpl.`**getNestedUsersFromGroup** `(DeviceInfoImpl.java:72)`  
  `
  at com.checkpoint.uepm.policyassignmentssm.calculator.impl.DeviceInfoImpl.addToAssignedUsers(DeviceInfoImpl.java:109)`  
  `
  at com.checkpoint.uepm.policyassignmentssm.calculator.impl.AbstractNodeInfo.addToRelevantNodes(AbstractNodeInfo.java:324)`  
  `
  at com.checkpoint.uepm.policyassignmentssm.calculator.impl.AbstractNodeInfo.calculateRelevantGroupParentNodes(AbstractNodeInfo.java:232)`  
  `
  at com.checkpoint.uepm.policyassignmentssm.calculator.impl.AbstractNodeInfo.calculateRelevantNodes(AbstractNodeInfo.java:93)`  
  `
  at com.checkpoint.uepm.policyassignmentssm.calculator.impl.AbstractNodeInfo.calculateRelevantNodes(AbstractNodeInfo.java:64)`  
  `
  at com.checkpoint.uepm.policyassignmentssm.calculator.impl.AbstractNodeInfo.calculateRelevantNodes(AbstractNodeInfo.java:45)`  
  `
  at com.checkpoint.uepm.policyassignmentssm.calculator.impl.RuleBaseCalculatorAdapterImpl.calculateAssignedPolicies(RuleBaseCalculatorAdapterImpl.java:97)`  
  `
  at com.checkpoint.uepm.policyassignmentssm.message.SynchronizeHandler.generateSynchronizeResponse(SynchronizeHandler.java:103)`  
  `
  at com.checkpoint.uepm.policyassignmentssm.PolicyAssignmentUSM.handleSynchronize(PolicyAssignmentUSM.java:103)`  
  `
  at com.checkpoint.uepm.connectionpoint.hand`

## Solution

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