diff --git a/REFERENCE.md b/REFERENCE.md
index 92e260d7..2532e7aa 100644
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -145,6 +145,10 @@ The following parameters are available in the `zabbix` class:
 * [`database_tlsconnect`](#-zabbix--database_tlsconnect)
 * [`database_tlscafile`](#-zabbix--database_tlscafile)
 * [`startpollers`](#-zabbix--startpollers)
+* [`startagentpollers`](#-zabbix--startagentpollers)
+* [`starthttpagentpollers`](#-zabbix--starthttpagentpollers)
+* [`startsnmppollers`](#-zabbix--startsnmppollers)
+* [`maxconcurrentchecksperpoller`](#-zabbix--maxconcurrentchecksperpoller)
 * [`startpreprocessors`](#-zabbix--startpreprocessors)
 * [`startipmipollers`](#-zabbix--startipmipollers)
 * [`startodbcpollers`](#-zabbix--startodbcpollers)
@@ -726,6 +730,39 @@ Number of pre-forked instances of pollers.
 
 Default value: `$zabbix::params::server_startpollers`
 
+##### <a name="-zabbix--startagentpollers"></a>`startagentpollers`
+
+Data type: `Integer[1, 1000]`
+
+Number of pre-forked instances of asynchronous Zabbix agent pollers. Also see MaxConcurrentChecksPerPoller.
+
+Default value: `$zabbix::params::server_startagentpollers`
+
+##### <a name="-zabbix--starthttpagentpollers"></a>`starthttpagentpollers`
+
+Data type: `Integer[1, 1000]`
+
+Number of pre-forked instances of asynchronous HTTP agent pollers. Also see MaxConcurrentChecksPerPoller.
+
+Default value: `$zabbix::params::server_starthttpagentpollers`
+
+##### <a name="-zabbix--startsnmppollers"></a>`startsnmppollers`
+
+Data type: `Integer[1, 1000]`
+
+Number of pre-forked instances of asynchronous SNMP pollers. Also see MaxConcurrentChecksPerPoller.
+
+Default value: `$zabbix::params::server_startsnmppollers`
+
+##### <a name="-zabbix--maxconcurrentchecksperpoller"></a>`maxconcurrentchecksperpoller`
+
+Data type: `Integer[1, 1000]`
+
+Maximum number of asynchronous checks that can be executed at once by each HTTP agent poller or agent poller.
+
+Default value: `$zabbix::params::server_maxconcurrentchecksperpoller`
+
+
 ##### <a name="-zabbix--startpreprocessors"></a>`startpreprocessors`
 
 Data type: `Integer[1, 1000]`
diff --git a/manifests/params.pp b/manifests/params.pp
index 9e671857..f5b84285 100755
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -252,6 +252,10 @@
   $server_startodbcpollers                  = 1
   $server_startpingers                      = '1'
   $server_startpollers                      = '5'
+  $server_startagentpollers                 = 1
+  $server_starthttpagentpollers             = 1
+  $server_startsnmppollers                  = 1
+  $server_maxconcurrentchecksperpoller      = 1000
   $server_startpollersunreachable           = '1'
   $server_startpreprocessors                = 3
   $server_startproxypollers                 = '1'
diff --git a/manifests/server.pp b/manifests/server.pp
index 1aea8780..a9d04c9c 100755
--- a/manifests/server.pp
+++ b/manifests/server.pp
@@ -48,6 +48,10 @@
 # @param database_tlscipher The list of encryption ciphers that Zabbix server permits for TLS protocols up through TLSv1.2.
 # @param database_tlscipher13 The list of encryption ciphersuites that Zabbix server permits for TLSv1.3 protocol.
 # @param startpollers Number of pre-forked instances of pollers.
+# @param startagentpollers Number of pre-forked instances of asynchronous Zabbix agent pollers. Also see MaxConcurrentChecksPerPoller.
+# @param starthttpagentpollers Number of pre-forked instances of asynchronous HTTP agent pollers. Also see MaxConcurrentChecksPerPoller.
+# @param startsnmppollers Number of pre-forked instances of asynchronous SNMP pollers. Also see MaxConcurrentChecksPerPoller.
+# @param maxconcurrentchecksperpoller Maximum number of asynchronous checks that can be executed at once by each HTTP agent poller or agent poller.
 # @param startpreprocessors Number of pre-forked instances of preprocessing workers
 # @param startipmipollers Number of pre-forked instances of ipmi pollers.
 # @param startodbcpollers Number of pre-forked instances of ODBC pollers.
@@ -205,6 +209,10 @@
   Optional[String[1]] $database_tlscipher                                     = $zabbix::params::server_database_tlscipher,
   Optional[String[1]] $database_tlscipher13                                   = $zabbix::params::server_database_tlscipher13,
   $startpollers                                                               = $zabbix::params::server_startpollers,
+  Integer[1, 100] $startagentpollers                                          = $zabbix::params::server_startagentpollers,
+  Integer[1, 100] $starthttpagentpollers                                      = $zabbix::params::server_starthttpagentpollers,
+  Integer[1, 100] $startsnmppollers                                           = $zabbix::params::server_startsnmppollers,
+  Integer[1, 100] $maxconcurrentchecksperpoller                               = $zabbix::params::server_maxconcurrentchecksperpoller,
   $startipmipollers                                                           = $zabbix::params::server_startipmipollers,
   Integer[0, 1000] $startodbcpollers                                          = $zabbix::params::server_startodbcpollers,
   $startpollersunreachable                                                    = $zabbix::params::server_startpollersunreachable,
diff --git a/templates/zabbix_server.conf.erb b/templates/zabbix_server.conf.erb
index 9aaba7fd..20954dd1 100755
--- a/templates/zabbix_server.conf.erb
+++ b/templates/zabbix_server.conf.erb
@@ -190,7 +190,7 @@ StartPollers=<%= @startpollers %>
 # Mandatory: no
 # Range: 0-1000
 # Default:
-# StartAgentPollers=1
+StartAgentPollers=<%= @startagentpollers %>
 
 ### Option: StartHTTPAgentPollers
 #	Number of pre-forked instances of asynchronous HTTP agent pollers. Also see MaxConcurrentChecksPerPoller.
@@ -198,7 +198,7 @@ StartPollers=<%= @startpollers %>
 # Mandatory: no
 # Range: 0-1000
 # Default:
-# StartHTTPAgentPollers=1
+StartHTTPAgentPollers=<%= @starthttpagentpollers %>
 
 ### Option: StartSNMPPollers
 #	Number of pre-forked instances of asynchronous SNMP pollers. Also see MaxConcurrentChecksPerPoller.
@@ -206,7 +206,7 @@ StartPollers=<%= @startpollers %>
 # Mandatory: no
 # Range: 0-1000
 # Default:
-# StartSNMPPollers=1
+StartSNMPPollers=<%= @startsnmppollers %>
 
 ### Option: MaxConcurrentChecksPerPoller
 #	Maximum number of asynchronous checks that can be executed at once by each HTTP agent poller or agent poller.
@@ -214,7 +214,7 @@ StartPollers=<%= @startpollers %>
 # Mandatory: no
 # Range: 1-1000
 # Default:
-# MaxConcurrentChecksPerPoller=1000
+MaxConcurrentChecksPerPoller=<%= @maxconcurrentchecksperpoller %>
 <% end %>
 
 ### Option: StartIPMIPollers