Unable to start search server

Hello,

recently i started with deploying appian on-premise installation on windows server. I was able to start appian services but i have problem with starting search-server. This is output from log file:

[2017-11-08 09:05:03,430][INFO ][com.appian.es.bootstrap.NodeInit] JVM Version: 1.8.0_144
[2017-11-08 09:05:03,430][INFO ][com.appian.es.bootstrap.NodeInit] JVM Arguments:
-Xms1024m
-Xmx1024m
-XX:+UseParNewGC
-XX:+UseConcMarkSweepGC
-XX:CMSInitiatingOccupancyFraction=75
-XX:+UseCMSInitiatingOccupancyOnly
-Djava.awt.headless=true
-Djava.net.preferIPv4Stack=true
-Duser.timezone=GMT
-DAPPIAN_HOME=..\..
[2017-11-08 09:05:03,445][INFO ][com.appian.es.bootstrap.NodeInit] The following settings will be used to start the ElasticSearch node:
path.home=C:\appian/search-server
path.conf=C:\appian/search-server/conf
path.plugins=C:\appian/search-server/plugins
path.data=C:\appian/_admin/search-local/search-server/data
path.work=C:\appian/_admin/search-local/search-server/work
path.logs=C:\appian/logs/search-server
http.enabled=true
action.auto_create_index=false
index.mapper.dynamic=false
discovery.zen.ping.multicast.enabled=false
threadpool.bulk.queue_size=500
indices.fielddata.cache.size=15%
index.max_result_window=100000
index.search.slowlog.threshold.query.warn=500ms
index.search.slowlog.threshold.query.info=100ms
index.search.slowlog.threshold.fetch.warn=500ms
index.search.slowlog.threshold.fetch.info=100ms
index.indexing.slowlog.threshold.index.warn=500ms
index.indexing.slowlog.threshold.index.info=100ms
index.number_of_replicas=0
discovery.zen.minimum_master_nodes=1
cluster.name=appian-search-cluster
[2017-11-08 09:05:03,445][INFO ][com.appian.es.bootstrap.NodeInit] Attempting initialization of ElasticSearch node on localhost:9300.
[2017-11-08 09:05:03,602][INFO ][org.elasticsearch.node ] [Node localhost:9300] version[2.4.5], pid[8952], build[c849dd1/2017-04-24T16:18:17Z]
[2017-11-08 09:05:03,602][INFO ][org.elasticsearch.node ] [Node localhost:9300] initializing ...
[2017-11-08 09:05:03,602][DEBUG][org.elasticsearch.node ] [Node localhost:9300] using config [C:\appian\search-server\conf], data [[C:\appian\_admin\search-local\search-server\data]], logs [C:\appian\logs\search-server], plugins [C:\appian\search-server\plugins]
[2017-11-08 09:05:03,602][INFO ][com.appian.es.bootstrap.NodeInit] Failed to initialize ElasticSearch node on port 9300. If other ports for this host are specified in appian-topology.xml, those will be tried as well.
java.lang.IllegalStateException: Could not load plugin descriptor for existing plugin [appian-elasticsearch-auth]. Was the plugin built before 2.0?
at org.elasticsearch.plugins.PluginsService.getPluginBundles(PluginsService.java:380)
at org.elasticsearch.plugins.PluginsService.<init>(PluginsService.java:128)
at org.elasticsearch.node.Node.<init>(Node.java:158)
at com.appian.es.bootstrap.NodeWithPlugins.<init>(NodeWithPlugins.java:14)
at com.appian.es.bootstrap.NodeInit.buildAndStartNode(NodeInit.java:328)
at com.appian.es.bootstrap.NodeInit.init(NodeInit.java:149)
at com.appian.es.bootstrap.Bootstrap.main(Bootstrap.java:62)
Caused by: java.nio.file.NoSuchFileException: C:\appian\search-server\plugins\appian-elasticsearch-auth\plugin-descriptor.properties
at sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:79)
at sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:97)
at sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:102)
at sun.nio.fs.WindowsFileSystemProvider.newByteChannel(WindowsFileSystemProvider.java:230)
at java.nio.file.Files.newByteChannel(Files.java:361)
at java.nio.file.Files.newByteChannel(Files.java:407)
at java.nio.file.spi.FileSystemProvider.newInputStream(FileSystemProvider.java:384)
at java.nio.file.Files.newInputStream(Files.java:152)
at org.elasticsearch.plugins.PluginInfo.readFromProperties(PluginInfo.java:87)
at org.elasticsearch.plugins.PluginsService.getPluginBundles(PluginsService.java:378)
... 6 more
[2017-11-08 09:05:03,622][ERROR][com.appian.es.bootstrap.Bootstrap] An unexpected error occurred.
java.lang.IllegalStateException: Failed to initialize ElasticSearch node on any of the specified ports.
at com.appian.es.bootstrap.NodeInit.init(NodeInit.java:162)
at com.appian.es.bootstrap.Bootstrap.main(Bootstrap.java:62)

I checked plugins directory and there is empty folder for appian-elasticsearch-auth. May this cause the problem? If yes why it is empty and how can I solve this?

Thanks