ZyXEL Communications NXC5200 User Manual page 552

Chapter 39 Troubleshooting
I cannot add the admin users to a user group with access users.
You cannot put access users and admin users in the same user group.
I cannot add the default admin account to a user group.
You cannot put the default admin account into any user group.
I cannot get the Device HA synchronization to work.
Only NXCs of the same model and firmware version can synchronize.
Device HA synchronization is not working for subscription services.
Subscribe to services on the backup NXC before synchronizing it with the master
Synchronization includes updates for services to which the master and
NXC.
backup NXCs are both subscribed. For example, a backup subscribed to IDP/
AppPatrol, but not anti-virus, gets IDP/AppPatrol updates from the master, but not
anti-virus updates. It is highly recommended to subscribe the master and backup
NXCs to the same services.
The schedule I configured is not being applied at the configured times.
Make sure the NXC's current date and time are correct.
I cannot get a certificate to import into the NXC.
For My Certificates, you can import a certificate that matches a corresponding
1
certification request that was generated by the NXC. You can also import a
certificate in PKCS#12 format, including the certificate's public and private keys.
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NXC5200 User's Guide