Old files are not getting deleted on Windows server

[ymetelkin]

Deleting of old files does not work on our production server but works on my development machine.
NLog version 4.7.5
NET Framework 4.7.2
Server: AWS EC2 Windows
Configuration:

<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <targets>
      <target name="logfile" xsi:type="File" fileName="${basedir}/logs/${shortdate}.log" maxArchiveDays="1" maxArchiveFiles="1" encoding="utf-8" keepFileOpen="true"/>
    </targets>
    <rules>
      <logger name="*" level="Info" writeTo="logfile" />
    </rules>
  </nlog>

[welcome]

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[304NotModified]

That sounds a permission error.
Please enable and check the internal log

[repo-ranger]

Please add the requested info, so we could help you better! (This issue will be closed in 7 days)

[ymetelkin]

The internal log is attached.
nlog-internal.txt

[snakefoot]

Looks like your NLog.config shown in intial topic is not matching the output from nlog-internal.txt

2020-11-20 15:10:47.0603 Debug FileTarget(Name=logfile): Preparing for new file 'C:\AP\SearchAPI\/logs/current.log'

According to nlog-internal.txt then you have configured it like this:

FileName="${basedir}/logs/current.log"
ArchiveFileName="${basedir}/logs/${shortdate}.log"

It is not supported to use ${shortdate} for ArchiveFileName. See also #3807 (comment) and #4105 (comment)