> For the complete documentation index, see [llms.txt](https://help.security.gallagher.com/knowledge-hub/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.security.gallagher.com/knowledge-hub/products/cc-software/troubleshoot/command-centre-errors/command-centre-errors-a-network-or-pc.md).

# A network or PC configuration problem is preventing the workstation from c

[Command Centre - Errors](/knowledge-hub/products/cc-software/troubleshoot/command-centre-errors.md) › A network or PC configuration problem is preventing the workstation from checking the server licence

**Error:** "A network or PC configuration problem is preventing the workstation from checking the server licence. Startup failed!"

Config Clients using DCOM only may see this error.

![Error: workstation cannot check the server licence, startup failed](https://328339335-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6bM8WhlBE9BYizPWJaPN%2Fuploads%2Fgit-blob-cb279641aa57d42c09032707d9cd970e3999ddb0%2FSECHUB-CCS-ERR-LICENCE-DCOM-01.jpg?alt=media)

## Resolution

| Location       | Resolution                                                                                                                                                                                                  |
| -------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Firewall       | An exception for Command Centre must exist on both the server and the workstation.                                                                                                                          |
| Ping           | Ping the server from the workstation using the server name.                                                                                                                                                 |
| User Accounts  | The workstation user account must be added to the server and made an Administrator; this adds the trust relationship for workgroup computers. Inside: Computer Management > Local Users and Groups > Users. |
| Command Centre | On the server, check **Services and Workstations** for an entry. If there is an entry, delete it, then try reconnecting.                                                                                    |
| DCOM           | Run **FT DCOM Setup.exe** on both the server and the workstation.                                                                                                                                           |


---

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