Alternating became supported <-> became not supported

[jbakuwel]

Hi,

Zabbix 1.8.8 server and agents

I'm seeing some Windows perf_counter's alternating between "became supported" and "became not supported", see below. Any idea how I can resolve this issue?

regards,
Jan

Nov 21 06:33:47 monitor Zabbix Server[26139]: Item [gpnzdb01.nz.gl3erf_counter[\System\File Read Bytes/sec]] became supported
Nov 21 06:36:18 monitor Zabbix Server[26140]: Item [gpnzdb01.nz.gl3erf_counter[\System\File Read Bytes/sec]] became not supported: Not supported by Zabbix Agent
Nov 21 06:43:47 monitor Zabbix Server[26138]: Item [gpnzdb01.nz.gl3erf_counter[\System\File Read Bytes/sec]] became supported
Nov 21 06:54:47 monitor Zabbix Server[26139]: Item [gpnzdb01.nz.gl3erf_counter[\System\File Read Bytes/sec]] became not supported: Not supported by Zabbix Agent