article Qlik Sense Enterprise on Windows: Windows Event logs report error FATAL: password authentication failed for user &quot;qlogs_reader&quot; in Official Support Articles https://community.qlik.com/t5/Official-Support-Articles/Qlik-Sense-Enterprise-on-Windows-Windows-Event-logs-report-error/ta-p/1712489 <BLOCKQUOTE class="quote">Centralized logging has been deprecated with the Qlik Sense Enterprise on Windows May 2021 release. This article applies to environments which have retained old Monitoring Apps. No support can be provided on Qlik Centralized logging as all Qlik Sense versions using it have reached end of life.&nbsp;</BLOCKQUOTE> <P>If an old set of Qlik Sense Monitoring Apps (such as the License Monitor or Operations Monitor) have been maintained after the deprecation of Centralized Logging, these Monitoring Apps may still attempt to use an incorrect data connection.</P> <P>This will lead to the following error:&nbsp;</P> <P class="lia-indent-padding-left-30px"><FONT face="courier new,courier"><SPAN>error&nbsp;FATAL: password authentication failed for user "qlogs_reader" DETAIL: Role "qlogs_reader" does not exist. Connection matched pg_hba.conf line 80: "host all all 127.0.0.1/32 md5"</SPAN></FONT></P> <P>In this instance, the License and Operations Monitor are attempting to connect to the Centralized Logging Database rather than reading from disk.&nbsp;</P> <H4><STRONG><FONT color="#339966">Environment</FONT></STRONG></H4> <P class="lia-indent-padding-left-30px"><LI-PRODUCT title="Qlik Sense Enterprise on Windows" id="qlikSenseEnterpriseWindows"></LI-PRODUCT>&nbsp;</P> <H3 class="qlik-migrated-tkb-headings"><STRONG><FONT color="#339966">Resolution:</FONT></STRONG></H3> <OL> <LI>Open the Qlik Sense Management Console</LI> <LI>Open the <STRONG>Apps </STRONG>menu</LI> <LI>Duplicate the affected app<BR /> <OL class="lia-list-style-type-lower-alpha"> <LI>Select the app</LI> <LI>Click&nbsp;<STRONG>More actions</STRONG></LI> <LI>Select&nbsp;<STRONG>Duplicate<BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="duplicate the app.png" style="width: 638px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/170055i631A65B5C72F57EE/image-dimensions/638x365?v=v2" width="638" height="365" role="button" title="duplicate the app.png" alt="duplicate the app.png" /></span><BR /></STRONG></LI> </OL> </LI> <LI>Open the duplicated app (either click the provided link or navigate to the Qlik Sense hub)</LI> <LI>Open the&nbsp;<STRONG>Data load editor</STRONG></LI> <LI>Search for&nbsp;<STRONG>db_v_file_override&nbsp;<BR /><BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="data load editor.png" style="width: 596px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/170052iD26A158703552895/image-size/large?v=v2&amp;px=999" role="button" title="data load editor.png" alt="data load editor.png" /></span><BR /><BR /></STRONG></LI> <LI>Change:<BR /><SPAN><BR /><FONT face="courier new,courier">SET db_v_file_override&nbsp;&nbsp; &nbsp;=&nbsp; &nbsp; <STRONG>0</STRONG><BR /></FONT><BR />to<BR /><BR /></SPAN><SPAN><FONT face="courier new,courier">SET db_v_file_override&nbsp;&nbsp; &nbsp;=&nbsp; &nbsp; <STRONG><FONT face="courier new,courier" color="#339966">1</FONT></STRONG></FONT><BR /><BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="db_v_file_override.png" style="width: 281px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/170053iBE186A57B0003EC4/image-size/large?v=v2&amp;px=999" role="button" title="db_v_file_override.png" alt="db_v_file_override.png" /></span><BR /><BR /></SPAN> <UL class="lia-list-style-type-circle"> <LI>The default value is <STRONG>0</STRONG> which attempts to use the Centralized Logging Database to supplement the License and Operations Monitor</LI> <LI>The value of <STRONG><FONT face="courier new,courier" color="#339966">1</FONT></STRONG> sets the License and Operations Monitor to&nbsp;<I>only</I>&nbsp;use the files on the disk and make no attempt to query the Centralized Logging Database<BR /><BR /></LI> </UL> </LI> <LI><STRONG>Publish</STRONG> (and <STRONG>Replace</STRONG>) the old app version<BR /><BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="publish and replace.png" style="width: 392px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/170054iCDC01193D924D38C/image-size/large?v=v2&amp;px=999" role="button" title="publish and replace.png" alt="publish and replace.png" /></span></LI> </OL> <P><BR /><BR /><BR /></P> Wed, 26 Nov 2025 14:14:01 GMT Sebastian_Linser 2025-11-26T14:14:01Z Qlik Sense Enterprise on Windows: Windows Event logs report error FATAL: password authentication failed for user "qlogs_reader" https://community.qlik.com/t5/Official-Support-Articles/Qlik-Sense-Enterprise-on-Windows-Windows-Event-logs-report-error/ta-p/1712489 <BLOCKQUOTE class="quote">Centralized logging has been deprecated with the Qlik Sense Enterprise on Windows May 2021 release. This article applies to environments which have retained old Monitoring Apps. No support can be provided on Qlik Centralized logging as all Qlik Sense versions using it have reached end of life.&nbsp;</BLOCKQUOTE> <P>If an old set of Qlik Sense Monitoring Apps (such as the License Monitor or Operations Monitor) have been maintained after the deprecation of Centralized Logging, these Monitoring Apps may still attempt to use an incorrect data connection.</P> <P>This will lead to the following error:&nbsp;</P> <P class="lia-indent-padding-left-30px"><FONT face="courier new,courier"><SPAN>error&nbsp;FATAL: password authentication failed for user "qlogs_reader" DETAIL: Role "qlogs_reader" does not exist. Connection matched pg_hba.conf line 80: "host all all 127.0.0.1/32 md5"</SPAN></FONT></P> <P>In this instance, the License and Operations Monitor are attempting to connect to the Centralized Logging Database rather than reading from disk.&nbsp;</P> <H4><STRONG><FONT color="#339966">Environment</FONT></STRONG></H4> <P class="lia-indent-padding-left-30px"><LI-PRODUCT title="Qlik Sense Enterprise on Windows" id="qlikSenseEnterpriseWindows"></LI-PRODUCT>&nbsp;</P> <H3 class="qlik-migrated-tkb-headings"><STRONG><FONT color="#339966">Resolution:</FONT></STRONG></H3> <OL> <LI>Open the Qlik Sense Management Console</LI> <LI>Open the <STRONG>Apps </STRONG>menu</LI> <LI>Duplicate the affected app<BR /> <OL class="lia-list-style-type-lower-alpha"> <LI>Select the app</LI> <LI>Click&nbsp;<STRONG>More actions</STRONG></LI> <LI>Select&nbsp;<STRONG>Duplicate<BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="duplicate the app.png" style="width: 638px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/170055i631A65B5C72F57EE/image-dimensions/638x365?v=v2" width="638" height="365" role="button" title="duplicate the app.png" alt="duplicate the app.png" /></span><BR /></STRONG></LI> </OL> </LI> <LI>Open the duplicated app (either click the provided link or navigate to the Qlik Sense hub)</LI> <LI>Open the&nbsp;<STRONG>Data load editor</STRONG></LI> <LI>Search for&nbsp;<STRONG>db_v_file_override&nbsp;<BR /><BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="data load editor.png" style="width: 596px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/170052iD26A158703552895/image-size/large?v=v2&amp;px=999" role="button" title="data load editor.png" alt="data load editor.png" /></span><BR /><BR /></STRONG></LI> <LI>Change:<BR /><SPAN><BR /><FONT face="courier new,courier">SET db_v_file_override&nbsp;&nbsp; &nbsp;=&nbsp; &nbsp; <STRONG>0</STRONG><BR /></FONT><BR />to<BR /><BR /></SPAN><SPAN><FONT face="courier new,courier">SET db_v_file_override&nbsp;&nbsp; &nbsp;=&nbsp; &nbsp; <STRONG><FONT face="courier new,courier" color="#339966">1</FONT></STRONG></FONT><BR /><BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="db_v_file_override.png" style="width: 281px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/170053iBE186A57B0003EC4/image-size/large?v=v2&amp;px=999" role="button" title="db_v_file_override.png" alt="db_v_file_override.png" /></span><BR /><BR /></SPAN> <UL class="lia-list-style-type-circle"> <LI>The default value is <STRONG>0</STRONG> which attempts to use the Centralized Logging Database to supplement the License and Operations Monitor</LI> <LI>The value of <STRONG><FONT face="courier new,courier" color="#339966">1</FONT></STRONG> sets the License and Operations Monitor to&nbsp;<I>only</I>&nbsp;use the files on the disk and make no attempt to query the Centralized Logging Database<BR /><BR /></LI> </UL> </LI> <LI><STRONG>Publish</STRONG> (and <STRONG>Replace</STRONG>) the old app version<BR /><BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="publish and replace.png" style="width: 392px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/170054iCDC01193D924D38C/image-size/large?v=v2&amp;px=999" role="button" title="publish and replace.png" alt="publish and replace.png" /></span></LI> </OL> <P><BR /><BR /><BR /></P> Wed, 26 Nov 2025 14:14:01 GMT https://community.qlik.com/t5/Official-Support-Articles/Qlik-Sense-Enterprise-on-Windows-Windows-Event-logs-report-error/ta-p/1712489 Sebastian_Linser 2025-11-26T14:14:01Z