Dell Unity: NTP servers cannot be used not synchronized. Synchronize NTP servers & try again. (Error Code:0x6000841) (User Correctable)
Summary: Dell Unity: The NTP servers cannot be used because they are not synchronized. Please synchronize your NTP servers and try again. (Error Code:0x6000841) (User Correctable)
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Symptoms
Configuring two NTP servers on a DELL EMC Unity array.
Unable to add two NTP servers on the DELL EMC Unity.
When adding a second NTP server, Unity Administrator receives the below error:
"The NTP servers cannot be used because they are not synchronized. Please synchronize your NTP servers and try again. (Error Code:0x6000841)"
Unable to add two NTP servers on the DELL EMC Unity.
When adding a second NTP server, Unity Administrator receives the below error:
"The NTP servers cannot be used because they are not synchronized. Please synchronize your NTP servers and try again. (Error Code:0x6000841)"
Cause
The time difference between the two NTP servers was more than 1 second.
Resolution
Unity Administrators need to check the synchronization between the two NTP servers. Ensure that the maximum time difference between the two NTP Servers is less than 1000 milliseconds (1 second).
Additional Information
This content is translated in 15 different languages:
| https://downloads.dell.com/TranslatedPDF/ES_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/ES-XL_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/FR_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/IT_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/JA_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/KO_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/NL_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/PT_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/PT-BR_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/RU_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/SV_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/ZH-CN_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/ZH-TW_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/AR_KB539926.pdf |
| https://downloads.dell.com/TranslatedPDF/DE_KB539926.pdf |
Affected Products
Dell EMC Unity XT 380FProducts
Dell Unity 300, Dell EMC Unity 300F, Dell EMC Unity 350F, Dell EMC Unity XT 380, Dell EMC Unity XT 380F, Dell EMC Unity 400, Dell EMC Unity 400F, Dell EMC Unity 450F, Dell EMC Unity XT 480F, Dell EMC Unity 500, Dell EMC Unity 500F
, Dell EMC Unity 550F, Dell EMC Unity 600, 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, Dell EMC Unity Hybrid, Dell EMC UnityVSA Professional Edition/Unity Cloud Edition
...
Article Properties
Article Number: 000052079
Article Type: Solution
Last Modified: 15 Dec 2025
Version: 4
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