Lync Dns records

Internal

lyncdiscoverinternal.contoso.com (A record for the Autodiscover service for internal connections directed to internal Web services)

_sipinternaltls._tcp.contoso.com (SRV record for internal TLS connections)

_sipinternal._tcp.contoso.com (SRV record for internal TCP connections)

sipinternal.contoso.com (A record for the Front End pool)

Extarnal

lyncdiscover.contoso.com (A record for the Autodiscover service for external Web services)

_sip._tls.contoso.com (SRV record for external TCP connections)

sip.contoso.com (A record for the Front End pool when the client is on the internal network; A record for the Access Edge Server when the client is external with no VPN access)

sipexternal.contoso.com (A record for the Access Edge Server when the client is external with no VPN access)

Remove Windows Failover Cluster

Run powershell as an administrator

Import-Module FailoverClusters

then clear-clusternode

run this commands on all nodes.

Remove Windows Failover Cluster

Run powershell as an administrator

Import-Module FailoverClusters

then clear-clusternode

run this commands on all nodes.

Install Telnet Client from CMD

dism /online /Enable-Feature /FeatureName:TelnetClient

Add WPAD to DNS server, Proxy server

run in powershell on DNS server (Domain Controller):

dnscmd /config /globalqueryblocklist wpad

or from Regedit:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DNS\ParametersGlobalQueryBlockLIst add wpad to value data.

Add WPAD to DNS server, Proxy server

run in powershell on DNS server (Domain Controller):

dnscmd /config /globalqueryblocklist wpad

or from Regedit:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DNS\ParametersGlobalQueryBlockLIst remove wpad 

В PowerShell параметры транспорта можно задать командлетом Set-TransportConfig:

1. Получаем текущие значения:

Get-TransportConfig | fl *size*

2. Изменяем максимальный размер отправляемых сообщений:

Set-TransportConfig –MaxSendSize 20Mb