# ValidateLicenseOnServerEx

### Description

Performs the following validations on the License Server

* Checks if the time on the client system is synchronized with the License Server.
* Calls IsLicenseKeyRevokedEx to check if the license was revoked.
* Calls IsIllegalComputer to check if the license is registered in the database.
* Publishes Analytics to the server if PublishAnalytics is set to true.
* Records the last time connection to the server was made in order to enforce the MaxDaysOffline setting.
* Verifies whether the system has exceeded the MaxDaysOffline setting.

```csharp
 bool ValidateLicenseOnServerEx (string webServiceUrl, 
                               string activationKey, 
                               string computerKey, 
                               string computerID, 
                               string computerName, 
                               bool autoReactivate, 
                               out EServerErrorCode errorCode, 
                               out string returnMsg)
```

### Parameters

| Parameter      |                                          Type                                         | Description                                                                                                                     |
| -------------- | :-----------------------------------------------------------------------------------: | ------------------------------------------------------------------------------------------------------------------------------- |
| webServiceUrl  |                                         string                                        | URL to the QLM License Server                                                                                                   |
| activationKey  |                                         string                                        | the license key to activate                                                                                                     |
| computerKey    |                                         string                                        | the computer bound key                                                                                                          |
| computerID     |                                         string                                        | the unique computer identifier                                                                                                  |
| computerName   |                                         string                                        | the name of the computer.                                                                                                       |
| autoReactivate |                                          bool                                         | when true, if the license is not activated on the server, it will be automatically reactivated if licenses are still available. |
| errorCode      | [EServerErrorCode](/docs/api-reference/.net-api/qlmlicense/enums/eservererrorcode.md) | returned error code                                                                                                             |
| returnMsg      |                                         string                                        | returned error message                                                                                                          |

### Return

| Type | Description                   |
| ---- | ----------------------------- |
| bool | true if the license is valid. |


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