Error taking action: Bad Request: (no reason given)

Good day everyone, I have a subset of servers suddenly getting “Error taking action: Bad Request: (no reason given)” error when submitting an action and even a simple blank custom action.

Other servers seems to be ok at this time. Not sure if it has something related to the Enhanced Security setting that was done from the BigFix Administration Tool which causing this matter. But if it is, it should have cause the same error for all servers. But just a small subset of servers at this time. Anything I could fix this problem? Please advise. Thanks.

The endpoint log contained such errors below:

Error uploading file ‘cf8cbcfbb4c5911876ea2581dd9075b8a71d2291’, restarting in 30 seconds
At 08:09:07 -0500 - mailboxsite (http://myserver.org:52311/cgi-bin/bfgather.exe/mailboxsite13162460)
FAILED to Synchronize - IBM Endpoint Manager could not verify the authenticity of the site content. - class NoVerifiedSignature - gather url - http://myserver.org:52311/cgi-bin/bfenterprise/BESGatherMirror.exe?url=http://myserver.org:52311/cgi-bin/bfgather.exe/mailboxsite13162460&Time=21Feb08:09:07&rand=aef81924&ManyVersionSha1=69e56976fc9bee70c1d2eaa85c0c8dea9f722a2f
At 08:09:07 -0500 - CustomSite_GTS_-2d_Security_-2d_Site (http://myserver.org:52311/cgi-bin/bfgather.exe/CustomSite_GTS_-2d_Security_-2d_Site)
FAILED to Synchronize - IBM Endpoint Manager could not verify the authenticity of the site content. - class NoVerifiedSignature - gather url - http://myserver.org:52311/cgi-bin/bfenterprise/BESGatherMirror.exe?url=http://myserver.org:52311/cgi-bin/bfgather.exe/CustomSite_GTS_-2d_Security_-2d_Site&Time=21Feb08:09:07&rand=067a1525&ManyVersionSha1=7a3b5195ad143d3277aa0de006e6fd9d747af9d9
At 08:09:07 -0500 - CustomSite_GTS_-2d_Support_Windows_-2d_Site (http://myserver.org:52311/cgi-bin/bfgather.exe/CustomSite_GTS_-2d_Support_Windows_-2d_Site)
FAILED to Synchronize - IBM Endpoint Manager could not verify the authenticity of the site content. - class NoVerifiedSignature - gather url - http://myserver.org:52311/cgi-bin/bfenterprise/BESGatherMirror.exe?url=http://myserver.org:52311/cgi-bin/bfgather.exe/CustomSite_GTS_-2d_Support_Windows_-2d_Site&Time=21Feb08:09:07&rand=ef32fe24&ManyVersionSha1=3753dcf9e375f48fdbb9bce2baa61196249bf506
At 08:09:27 -0500 -
Starting upload of file ‘cf8cbcfbb4c5911876ea2581dd9075b8a71d2291’ of size 3193
Error uploading file ‘cf8cbcfbb4c5911876ea2581dd9075b8a71d2291’, restarting in 30 seconds

Do the erroring servers share a common relay perhaps?

Issues resolved. Those servers in question were running besclient v9.0.x connecting to BigFix Server v9.2.x. Once the Enhancement Security feature enabled on the BigFix Server side, these servers running besclient v9.0.x failed to connect with such error in the log file and also failing to submit any action as well from BigFix Console. Disabled the Enhanced Security feature for now to restore the functionality of these servers in question until besclient is upgraded to v9.2.x.

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FYI: BigFix v9.2 is out of support; it’s strongly recommended to upgrade to a newer version. You can keep old agent running on unsupported (very old) targets, but you could lose many features.