Often Zimbra server users come across the issue of Zimbra zmconfigd not running/starting.

At Bobcares we fix this issue as a part of our  Server Management Services for our clients.

Today, let’s see how our Support Engineers fix this issue with a few simple and easy steps.

How to check whether zmconfigd is running or not?

To check the status of zmconfigd service on Zimbra, we can use the command:

$ zmconfigdctl status

A Zimbra server operating fine would give the us status as running.

But there will be some instances where we end up with Zimbra zmconfigd not running/starting.

Common causes and their solutions:

The issue with zmcofigd status may be caused due to any of the following reasons:

•  Problem with IPv6
• Zimbra cannot get zmconfigd service status
• Missing Netcat (nc) and which commands

Problem with IPv6

If we are using IPv6 in our Zimbra server it will cause the issue of Zimbra zmconfigd not running/starting.

So if we have IPv6 enabled, we need to disable it. Any edits in the configuration file should be done after disabling IPv6 if it’s enabled in the server.

Add these line to /etc/sysctl.conf to disable IPv6 on Linux.

net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1

Save the file and apply rules.

$ sudo sysctl -p

Also, comment out the entries in  /etc/hosts file.

#::1 localhost ip6-localhost ip6-loopback
#ff02::1 ip6-allnodes
#ff02::2 ip6-allrouters

Then try restart zmconfigd:

$ sudo su – zimbra
$ zmconfigdctl restart

After restart upon checking the status, we can find it running.

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Zimbra cannot get zmconfigd service status

Sometimes It is also possible that zmconfigd is in a running state but Zimbra cannot get its state.

To fix this we have to remove its pid file and restart the service.

$ cat /opt/zimbra/log/zmconfigd.pid
32500
$ sudo rm /opt/zimbra/log/zmconfigd.pid
$ sudo su – zimbra -c “zmconfigdctl restart”

After doing this we will see that issue of Zimbra zmconfigd not running/starting is fixed.

Missing netcat (nc) and which commands

If we have nc command missing, we can see that while trying to start zmconfigd it may result in a failure.

We can fix this error by installing it.

Install nc on Ubuntu / Debian systems:

$ sudo apt-get install netcat-openbsd

Install on CentOS:

For CentOS servers, nc command is provided by the nmap-ncat package.

$ sudo yum -y install nmap-ncat

After installing nc, we need to restart Zimbra.

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Conclusion

In short, we’ve discussed some causes such as  missing netcat (nc) command, Pid issue of zimbraa etc.,  along with some quick fixes that our Support Engineers follow to fix zmconfigd not running/starting issue.