Dell Unity: Cannot connect to CEPA server due to ERROR_CEPP_NOT_FOUND (User Correctable)
Summary: This article covers the event ERROR_CEPP_NOT_FOUND after EndPoint configuration has been modified.
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This article does not apply to
This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
When hovering over NAS Servers on Unisphere, the follow alert is visible:
Some servers configured for the CEPA server of the specified NAS server cannot be reached. Verify:
1) That the network addresses of the CEPA servers are valid.
2) That the network is available and that the CEPA facility is running on the CEPA server.
3) The network integrity between the storage system and the CEPA server.
All servers configured for the CEPA server of the specified NAS server cannot be reached. Verify:
1) That the network addresses of the CEPA servers are valid.
2) That the network is available and that the CEPA facility is running on the CEPA server.
3) The network integrity between the storage system and the CEPA server.
Some servers configured for the CEPA server of the specified NAS server cannot be reached. Verify:
1) That the network addresses of the CEPA servers are valid.
2) That the network is available and that the CEPA facility is running on the CEPA server.
3) The network integrity between the storage system and the CEPA server.
All servers configured for the CEPA server of the specified NAS server cannot be reached. Verify:
1) That the network addresses of the CEPA servers are valid.
2) That the network is available and that the CEPA facility is running on the CEPA server.
3) The network integrity between the storage system and the CEPA server.
Cause
Incorrect Endpoint configuration under CEPA/CAVA Server Registry:
[HKEY_LOCAL_MACHINE\SOFTWARE\EMC\CEE\CEPP\Facility\Configuration]
[HKEY_LOCAL_MACHINE\SOFTWARE\EMC\CEE\CEPP\Facility\Configuration]
Resolution
Updated the Endpoint configuration accordingly, under CEPA/CAVA Server Registry.
Step 1 of 5: Login to your CEPA/CAVA Server as an Administrator
Step 2 of 5: Open the Windows Registry Editor (regedit)
Step 3 of 5: Navigate to [HKEY_LOCAL_MACHINE\SOFTWARE\EMC\CEE\CEPP\Facility\Configuration]
Step 5 of 5: Restart the services on both CEPA and Unity NAS Servers:
Attention: Please note that each Endpoint will have different requirements.
If the software does not support a particular facility, it should not have an entry in the registry for it.
However, at least one of those facilities needs to be pointing to a valid service and address.
To know which facility your Endpoint supports, please contact your vendor.
For further clarification and assistance on this matter, please contact Support and reference Article Number 000194250.
Step 1 of 5: Login to your CEPA/CAVA Server as an Administrator
Step 2 of 5: Open the Windows Registry Editor (regedit)
Step 3 of 5: Navigate to [HKEY_LOCAL_MACHINE\SOFTWARE\EMC\CEE\CEPP\Facility\Configuration]
Where Facility can be one of these three:
a) Audit
b) CQM
c ) VCAPS
b) CQM
c ) VCAPS
Step 4 of 5: Create Registry Key with value: <EndPoint_Name>@<IP_Address>
Step 5 of 5: Restart the services on both CEPA and Unity NAS Servers:
On CEPA server: service.msc > Stop and then Start the CEE Service
On Unity NAS Server: STORAGE > File > NAS Servers > NAS Properties (select the NAS Server) > Protection & Events > Events Publishing (uncheck box, and check box back)
On Unity NAS Server: STORAGE > File > NAS Servers > NAS Properties (select the NAS Server) > Protection & Events > Events Publishing (uncheck box, and check box back)
Attention: Please note that each Endpoint will have different requirements.
If the software does not support a particular facility, it should not have an entry in the registry for it.
However, at least one of those facilities needs to be pointing to a valid service and address.
Examples:
Northern will use CQM.
Varonis, will use Audit, in detail at Article Number: 000049515 - Dell EMC Unity: ERROR_CEPP_NOT_FOUND When configuring 3rd Party Varonis Application with Unity (User Correctable) .
Northern will use CQM.
Varonis, will use Audit, in detail at Article Number: 000049515 - Dell EMC Unity: ERROR_CEPP_NOT_FOUND When configuring 3rd Party Varonis Application with Unity (User Correctable) .
To know which facility your Endpoint supports, please contact your vendor.
For further clarification and assistance on this matter, please contact Support and reference Article Number 000194250.
Additional Information
To confirm if the Dell EMC Unity Array is experiencing this issue:
From EMCSystemLogFile.log:
From c4_safe_ktrace.log:
From EMCSystemLogFile.log:
service@spb:~/user# tailf 00_emc_backend_log_shared/EMCSystemLogFile.log |grep -i "Cannot connect to CEPA server"
B 11/10/21 15:04:53.538 DART_CEPP 10920014 [WARN] User: Cannot connect to CEPA server xxx.xxx.xxx.xxx of pool unity_cepa of NAS server nas_server: HTTP_ERROR, httpStatus: 1006 Connection Disconnected.
B 11/10/21 15:06:43.468 DART_CEPP 10920012 [WARN] User: Cannot connect to CEPA server xxx.xxx.xxx.xxx of pool unity_cepa of NAS server nas_server: ERROR_CEPP_NOT_FOUND.
B 11/10/21 15:06:44.344 DART_CEPP 10920012 [WARN] User: Cannot connect to CEPA server xxx.xxx.xxx.xxx of pool unity_cepa of NAS server nas_server: ERROR_CEPP_NOT_FOUND.
From c4_safe_ktrace.log:
service@spb:~/user# tailf 02_emc_c4core_log/c4_safe_ktrace.log |grep -i "Cannot connect to CEPA server"
2021/11/10-14:55:33.772644 ~~~~ 7F95BF2D8703 sade:CEPP: 4:20:[nas_server] httpStatus: 1006 Connection Disconnected.
2021/11/10-14:59:30.925071 1819 7F95BF2D8701 sade:CEPP: 4:18:[nas_server] Cannot connect to CEPA server xxx.xxx.xxx.xxx of pool unity_cepa of NAS server nas_server: ERROR_CEPP_
2021/11/10-14:59:30.925073 ~~~~ 7F95BF2D8701 sade:CEPP: 4:18:[nas_server] NOT_FOUND.
2021/11/10-14:59:31.049397 1371 7F95BF31B702 sade:CEPP: 4:18:[nas_server] Cannot connect to CEPA server xxx.xxx.xxx.xxx of pool unity_cepa of NAS server nas_server: ERROR_CEPP_
2021/11/10-14:59:31.049399 ~~~~ 7F95BF31B702 sade:CEPP: 4:18:[nas_server] NOT_FOUND.
Affected Products
Dell Unity 300, Dell EMC Unity 300F, Dell EMC Unity 350F, Dell EMC Unity 400, Dell EMC Unity 400F, Dell EMC Unity 450F, Dell EMC Unity 500, Dell EMC Unity 500F, Dell EMC Unity 550F, Dell EMC Unity 600Products
Dell EMC Unity XT 380, Dell EMC Unity XT 380F, Dell EMC Unity XT 480, Dell EMC Unity XT 480F, Dell EMC Unity 600F, Dell EMC Unity 650F, Dell EMC Unity XT 680, Dell EMC Unity XT 680F, Dell EMC Unity XT 880, Dell EMC Unity XT 880F
, Dell EMC Unity Family |Dell EMC Unity All Flash, Dell EMC Unity Family
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Article Properties
Article Number: 000194250
Article Type: Solution
Last Modified: 25 Jul 2025
Version: 5
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