Refer to the exhibit. While troubleshooting Cisco Jabber login issues, there are some error messages. Why is the Jabber client unable to sign in?

Question

Exhibit

Options

• Adown Cisco Unified Communications Manager server
• BXMPP bind failures
• Cincorrect login credentials
• Dservice discovery issues

• A
  10% (5)
• B
  82% (40)
• C
  6% (3)
• D
  2% (1)

Explanation

The exhibit (referenced but not shown here) contains error messages indicative of XMPP bind failures. Jabber relies on XMPP for presence, instant messaging, and directory services. During login, Jabber establishes an XMPP session and binds a resource to the session; if the bind step fails - due to issues like server-side resource limits, misconfigured XMPP service, or session conflicts - the client cannot complete authentication and sign-in fails. Option A (CUCM server down) would produce SIP registration errors, not XMPP bind errors. Option C (incorrect credentials) would produce authentication-rejected messages rather than bind failures. Option D (service discovery issues) would prevent Jabber from even finding the correct server, resulting in DNS/SRV lookup errors rather than a bind-level failure once a connection is established.

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