Hosts and Services Checks Stucked in Pending State

Icinga 2
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1

Hello All,
I have onboarded multiple IT Assets in icinga. Basically I have configured Icinga in Distributed Mode. One Master and Two Satellites. From last 6 months that stack was working fine but now few hosts whose check is on satellite are in pending state I dont know why. Another thing is that If I add a new host and put the check source on satellite node then it also goes on pending but it works fine if its check source is master.
I am using Icingaweb2 version 2.8.2
icinga version 2.11
php 7.3
director 1.7
Also If any one can help me regarding this, how to fix this issue, that will be a great favor. My orgranization inside infrastructure montioring SLA has been compromised due to this issue. I have gone through multiple links online to troubleshoot this issue but was not able to find a reasonable issue.
I am anxiously waiting for the response.

Thanks

Regards
Awais

2

I’d recommend to start checking icinga.log on every node. Usually you’ll find a hint what’s wrong.

3

I have checked but didnot found any sutiable answers.

4

Which versions of icinga are involved? Have implemented checks like cluster-zone to be informed whether zones are connected?

5

zones are connected using the config in zones.conf file. and we have run the node wizard from satellite nodes. Also the version involved are mentioned above