https://community.cisco.com/t5/endpoint-security/cloud-query-failure-rate-cisco-amp-private-cloud/m-p/5379850#M9012 <P>Hello Community,<BR /><BR />Environment : <EM>Private Cloud Administration Portal</EM> Version&nbsp;4.2.6_202508291712 and&nbsp;<EM>Secure Endpoint&nbsp;v5.4.2025081121</EM> , both the latest. Upon upgrade a dozen of the amp sensor from&nbsp;8.4.3.30374 to version&nbsp;8.5.0.30549 we had a significant increase of&nbsp;Cloud Query Failure Rate (<A href="https://www.cisco.com/c/en/us/support/docs/security/secure-endpoint-private-cloud/222842-troubleshoot-cloud-query-latency-and-clo.html" target="_blank" rel="noopener">https://www.cisco.com/c/en/us/support/docs/security/secure-endpoint-private-cloud/222842-troubleshoot-cloud-query-latency-and-clo.html</A>), we created a TAC case and the final conclusion was because of the sensor version&nbsp;8.5.0.30549 - was a faulty one (we couldn't uninstall\reinstalling to the previous one&nbsp;8.4.3.30374 because of the production environment ).<BR /><BR />Now after upgrading all the affected sensors from&nbsp;8.5.0.30549 to&nbsp;8.6.0.30578 &nbsp;it's still he same.<BR />If you encounter any issue like this and you the the answer just let me know.<BR />Thank you.<BR /><BR /></P> Thu, 26 Mar 2026 08:13:58 GMT Cret Silviu 2026-03-26T08:13:58Z https://community.cisco.com/t5/endpoint-security/cloud-query-failure-rate-cisco-amp-private-cloud/m-p/5379850#M9012 <P>Hello Community,<BR /><BR />Environment : <EM>Private Cloud Administration Portal</EM> Version&nbsp;4.2.6_202508291712 and&nbsp;<EM>Secure Endpoint&nbsp;v5.4.2025081121</EM> , both the latest. Upon upgrade a dozen of the amp sensor from&nbsp;8.4.3.30374 to version&nbsp;8.5.0.30549 we had a significant increase of&nbsp;Cloud Query Failure Rate (<A href="https://www.cisco.com/c/en/us/support/docs/security/secure-endpoint-private-cloud/222842-troubleshoot-cloud-query-latency-and-clo.html" target="_blank" rel="noopener">https://www.cisco.com/c/en/us/support/docs/security/secure-endpoint-private-cloud/222842-troubleshoot-cloud-query-latency-and-clo.html</A>), we created a TAC case and the final conclusion was because of the sensor version&nbsp;8.5.0.30549 - was a faulty one (we couldn't uninstall\reinstalling to the previous one&nbsp;8.4.3.30374 because of the production environment ).<BR /><BR />Now after upgrading all the affected sensors from&nbsp;8.5.0.30549 to&nbsp;8.6.0.30578 &nbsp;it's still he same.<BR />If you encounter any issue like this and you the the answer just let me know.<BR />Thank you.<BR /><BR /></P> Thu, 26 Mar 2026 08:13:58 GMT https://community.cisco.com/t5/endpoint-security/cloud-query-failure-rate-cisco-amp-private-cloud/m-p/5379850#M9012 Cret Silviu 2026-03-26T08:13:58Z