LTE Network Extender error 5A
LokiChrome
Enthusiast - Level 1

Working through the initial setup.  this is the new one, not the samsung.  no blue lights.  The initiation is hanging up on getting a certificate from the CMP Server.  I talked to VZ Wireless and they said it's all fine and activated on their end.  Want me to talk to VZ Fios people to see if on their end.  I've restarted and factory reset a bunch of times already.  Has GPS no problem.  Any suggestions are appreciated.  

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85 Replies
vzw_customer_support
Customer Service Rep

We certainly want your Network Extender to work properly for you. I am sorry for any inconvenience. Were you able to contact FIOS? If so, what did they say?

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Sjbeaman
Newbie

Exact same error. What is the cause?

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VWAshburn
Enthusiast - Level 2

I don't know the cause and I have never gotten a solution from Verizon Wireless or from Verizon Fios (my ISP).  I gave up long ago and disconnected my extender.  I did see a product review posted on the VZ website by someone experiencing the same issue. It had a detailed technical description of the configurations tried by a different ISP to fix it but without success. Good luck and if you find a solution, please post it.

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vzw_customer_support
Customer Service Rep

Great question, we want to make sure this is properly resolved, do you have any ports blocked on through your internet provider?

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PrinceAnton
Newbie

Greetings team Verizon,

 

I have same error 5A on the extender, 

I tried adding port forwarding rules to firewall to following ports and the LTE extender still showing the error 5A.  

Port Number
53
Protocol
TCP/UDP
Port Number
80
Protocol
TCP
Port Number
123
Protocol
TCP/UDP
Port Number
500
Protocol
UDP
Port Number
4500
Protocol
UDP

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jmcman
Newbie

i am also getting error 5a 

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vzw_customer_support
Customer Service Rep

Let's get your  Extender working together. A private message has been sent to you to help further.

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vzw_customer_support
Customer Service Rep

Hello PrinceAnton. We know the importance of ensuring your Network Extender is working as it should be. Error 5A typically indicates the Network Extender is not able to communicate with your Internet Service Provider. Have you contacted your ISP to ensure you have the correct Ports set up? 

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jrmstl
Newbie

Does anyone know what ports have to be setup?  All I can find is non-specific setup your ports..  What ports need to be setup for this stupid thing to work?  Does port forwarding have to be on?

 

Been on hold with support for over an hour now and still stuck at 5a error.

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jrmstl
Newbie

ok, never mind found the ports.  more importantly I tried forwarding the extender through IP passthrough, didn't work.

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vzw_customer_support
Customer Service Rep

Hello, we can provide guidance through this set up. Please send us a Private Note to proceed.

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Chathen613
Enthusiast - Level 1

I purchased LTE network extender yesterday and as it appears is the case with numerous people before me, cannot overcome "server error 5a". I have spectrum internet with Google mesh wifi router and neither trouble shooting the router or talking to spectrum have been helpful. Why are there not discrete steps to solve this other than "reboot everything, talk to your ISP" ??

vzw_customer_support
Customer Service Rep

We appreciate the details. Have you you attempted to restart the network extender? If so, what other troubleshooting steps have you performed? ~ VZW_ChristianP

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Malizoo
Enthusiast - Level 1

It really feels like Verizon has no respect for our time when there is no set up manual or trouble shooting information.  Your post has been the most helpful

1hr 32 min on hold so far.... not the first time today.

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vzw_customer_support
Customer Service Rep

We always want you to get the help you need. We'd like to see what's going on. Let's get to the bottom of this. Please send us a Private Note for assistance.*Melissa

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Brashville
Enthusiast - Level 1

I am having this same problem, did you ever find a solution?

We have Spectrum cable internet and a Netgear Nighthawk router.

vzw_customer_support
Customer Service Rep

Brashville, we certainly want you to have a smooth activation process. 

 

The error 5A means: The LTE Network Extender has failed to get certificate from the CMP server, please check the LAN/firewall settings, or contact
your network administrator. This would be your internet provider. 

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Brashville
Enthusiast - Level 1

Thank you, We have tried with two different routers, followed all of the Verizon directions, and added all of the ports to the router firewall.

Can you tell us the specific port that it uses to access the certificate from the CMP server?

That would help when we talk with spectrum.

vzw_customer_support
Customer Service Rep

I am so sorry to hear that you are having difficulties setting up your Network Extender. Basedon the information we show you will need to open up the ports for 52428 / 20906 or 123. AlbertoR_VZW

John03051
Newbie

I have a CMP server error on my brand new Verizon Wireless LTE extender. I have checked with Comcast and nothing is wrong on their end. I am really frustrated and will need to drop Verizon wireless because it doesn’t work in my house and I work from home. 

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