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‎10-31-2019 01:33 PM

HP Recommended
Product: M426, M452, M521
Operating System: Microsoft Windows Server 2019

I have a small handful of printers that display "device communication error" in Web JetAdmin.  There are models: M426, M452, M521.  From what I can tell, these models use the HPWSProAdpater.  The service is started.  HPWJAService.exe has been allowed inbound connections on the firewall.  I updated the firmware on one of the M426s but that didn't change a thing.  I'm not really sure what to try next.

1 person had the same question
1 ACCEPTED SOLUTION

Accepted Solutions

‎11-04-2019 05:56 AM

HP Recommended

I found out that WS-Discovery has to be enabled.  Once I enabled it on the printers and did a new device discovery, everything worked.  🙂

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2 REPLIES 2

‎10-31-2019 03:01 PM

HP Recommended

Do you have any EWS passwords set as default in WJA that are not set on these printers?

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‎11-04-2019 05:56 AM

HP Recommended

I found out that WS-Discovery has to be enabled.  Once I enabled it on the printers and did a new device discovery, everything worked.  🙂

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