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Enabling Skype for Business Client to use proxy server for SIP traffic instead of trying direct connection

The Microsoft Skype for Business Client first tries direct connection for the Session Initiation Protocol (SIP) traffic. After it gets time-out, the client will use a proxy proxy server, id exists. This could causes noticeable delays when you sign in the client, especially if the client tries to connect to Skype for Business Online.

Microsoft published some Updates and a UC Lobby Blog article about that. There is also a Support article about that.

In the UC Lobby Blog article contains a the following:

1
reg add HKCU\Software\Microsoft\UCCPlatform\Lync /v EnableDetectProxyForAllConnections /t REG_DWORD /d 1 /f
This content is older than 2 years. It might be outdated.

Uninstall the retired AntiSpam Agents from an Exchange Server

Microsoft announced that they deprecated the support for the SmartScreen Antispam content filters for Exchange Servers. This script uninstall the old and retired SmartScreen Antispam Agents from the local Exchange Server.

There are known issues with the SmartScreen AntiSpam content filters if you run Exchange 2016 on Windows Server 2016. So removing them might be always a good idea if you want to have a stable Exchange.

The Script removes the following AntiSpam Agents:

  • Content Filter Agent
  • Sender Id Agent
  • Protocol Analysis Agent

Before running the script and remove the AntiSpam Agents listed above, you should consider a solid alternative solution. There are several good on Premises Solutions available, and there are even more Cloud Services, including Microsoft’s own Exchange Online Protection (EOP). This could be handy if you have Office 365, you just change/tweak the Mailflow and your Mailboxes are protected.
My favorite solution is a CentOS based Linux Box running Postfix, SpamAssassin and MIMEDefang. I use this together with some AntiVirus solutions to scan all inbound and Outbound mails. However, this is just my personal favorite because it’s very reliable and flexible, but I know that many prefer a all-in-one solution running on Windows. Again, there are a lot of great solutions out there!

This content is older than 2 years. It might be outdated.
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