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HP PageWide Managed Color Flow MFP E58650z

Cannot fully configure setup LDAPS directory search for contacts. Error message is "LDAP/AB server is invalid or unreachable" when enabling SSL or TLS / port 636. Checking the box for "Use a secure connection (SSL)"

Verified port 636 works on Canon devices. 

Tried using Simple Credentials and Windows Negotiated - same error message

Certificate installed on printer from our internal CA
Running latest firmware 2508402_000073

Error in the Event Log = 
17 2025-05-16 10:28:32 44.01.40 Warning 72755 LDAP/AB server is invalid or unreachable
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