# PMM targets lost after some time
**URL:** https://forums.percona.com/t/pmm-targets-lost-after-some-time/14778
**Category:** PMM 2.x
**Created:** [March 17, 2022, 2:26am UTC](https://forums.percona.com/t/pmm-targets-lost-after-some-time/14778 "2022-03-17T02:26:28Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@sshine](https://forums.percona.com/u/sshine)
#### Post date: [March 17, 2022, 2:26am UTC](https://forums.percona.com/t/pmm-targets-lost-after-some-time/14778/1 "2022-03-17T02:26:28Z")
We have setup PMM server (latest docker image v2.25) ,Around a few days after all monitored hosts have been added to the server,we observe some targets becoming lost. in Inventory/Nodes we can found the nodes, but can not find in OS/Nodes Overview。
with tcpdump can detect the target’s messages have been received 。
only after restart pmm server ，the lost targets appear now。
---
### Author:  [@nikita.beletskii](https://forums.percona.com/u/nikita.beletskii)
#### Post date: [March 19, 2022, 4:09am UTC](https://forums.percona.com/t/pmm-targets-lost-after-some-time/14778/2 "2022-03-19T04:09:38Z")
Hi sshine,
Do you see any errors in pmm-managed log?
```auto
cat /srv/logs/pmm-managed.log | grep -v INFO
```
---
### Author:  [@shaofei](https://forums.percona.com/u/shaofei)
#### Post date: [March 23, 2022, 9:26am UTC](https://forums.percona.com/t/pmm-targets-lost-after-some-time/14778/3 "2022-03-23T09:26:52Z")
“Estimated clock drift” can cause the same problem
---
### Author:  [@sshine](https://forums.percona.com/u/sshine)
#### Post date: [April 9, 2022, 3:12pm UTC](https://forums.percona.com/t/pmm-targets-lost-after-some-time/14778/4 "2022-04-09T15:12:36Z")
no errors in the log file
---
### Author:  [@sshine](https://forums.percona.com/u/sshine)
#### Post date: [April 9, 2022, 3:14pm UTC](https://forums.percona.com/t/pmm-targets-lost-after-some-time/14778/5 "2022-04-09T15:14:09Z")
if “Estimated clock drift” causes the problem, how to solve it ？