https://community.splunk.com/t5/Splunk-Enterprise/How-to-fix-the-Splunk-enterprise-bundle-validation-error-in/m-p/618818#M14343 <P>Recently i upgraded our splunk enterprise version from 9.0.0 to 9.0.1 in all our master , search head &amp; indexer nodes. The order we updated is indexer - search head - master.&nbsp;</P> <P>Once the upgrade was successfully done we weren't able to bring up the splunk cluster in which indexer node is keep on failing with the below mentioned error:</P> <PRE>10-27-2022 23:02:27.083 +0000 ERROR CMSlave [91467 MainThread] - event=getActiveBundle failed with err="invalid active_bundle_id=. Check the cluster manager for bundle validation/errors or other issues." even after multiple attempts, Exiting.. 10-27-2022 23:02:27.106 +0000 ERROR loader [91467 MainThread] - Failed to download bundle from the cluster manager, err="invalid active_bundle_id=. Check the cluster manager for bundle validation/errors or other issues.", Won't start splunkd.&nbsp;</PRE> <P>There are no errors in master &amp; search head node's logs. Please help me to fix this bundle validation error.</P> Mon, 31 Oct 2022 09:09:00 GMT Vaidesh 2022-10-31T09:09:00Z https://community.splunk.com/t5/Splunk-Enterprise/How-to-fix-the-Splunk-enterprise-bundle-validation-error-in/m-p/618818#M14343 <P>Recently i upgraded our splunk enterprise version from 9.0.0 to 9.0.1 in all our master , search head &amp; indexer nodes. The order we updated is indexer - search head - master.&nbsp;</P> <P>Once the upgrade was successfully done we weren't able to bring up the splunk cluster in which indexer node is keep on failing with the below mentioned error:</P> <PRE>10-27-2022 23:02:27.083 +0000 ERROR CMSlave [91467 MainThread] - event=getActiveBundle failed with err="invalid active_bundle_id=. Check the cluster manager for bundle validation/errors or other issues." even after multiple attempts, Exiting.. 10-27-2022 23:02:27.106 +0000 ERROR loader [91467 MainThread] - Failed to download bundle from the cluster manager, err="invalid active_bundle_id=. Check the cluster manager for bundle validation/errors or other issues.", Won't start splunkd.&nbsp;</PRE> <P>There are no errors in master &amp; search head node's logs. Please help me to fix this bundle validation error.</P> Mon, 31 Oct 2022 09:09:00 GMT https://community.splunk.com/t5/Splunk-Enterprise/How-to-fix-the-Splunk-enterprise-bundle-validation-error-in/m-p/618818#M14343 Vaidesh 2022-10-31T09:09:00Z https://community.splunk.com/t5/Splunk-Enterprise/How-to-fix-the-Splunk-enterprise-bundle-validation-error-in/m-p/618850#M14355 <P>Hi</P><P>unfortunately you have had wrong update order and quite probably that has generated this issue. The correct order &nbsp;MN, SH and latest indexers. To avoid more issues you should contact to splunk support if they have information how to fix this with more issues.</P><P>r. Ismo&nbsp;</P> Sun, 30 Oct 2022 18:59:39 GMT https://community.splunk.com/t5/Splunk-Enterprise/How-to-fix-the-Splunk-enterprise-bundle-validation-error-in/m-p/618850#M14355 isoutamo 2022-10-30T18:59:39Z