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The point that you must remember when using them is the conclusions that you draw out of 1 diagram are accurate for all the other diagrams. It is possible to take two distinct items and examine them to obtain what decision you want to draw from each.
To be able to draw conclusions from a Venn Diagram, then you have to have the ability to place every one of these things in their very own set up and examine them. There are two different sorts of comparisons that you may make. First is that the'all things are equal' type. All the two items have in common are the elements within them, or their colours, sizes, and shapes. This is the contrast which most people use when they would like to learn what conclusions could be drawn from the diagram.
Following that, there is the'none of the aforementioned' type. These two items are completely distinct. Matters like their shapes, sizes, colours, and also the fact that the components were all'owned' by the other thing aren't considered if these two things are compared.
You would need to take into consideration every single thing which was in the other thing so as to find out whether or not those things were really in the other product.
This sort of analysis is much harder and requires a lot more time to do. There are two types of comparisons which you can make in regards to Venn Diagrams. The first is that the'all things are equal' type. This sort of comparison is obviously the easiest to do.
Just do not forget that all things are equal, then put the things in their own classes, one thing at a time. In order to utilize this type of contrast, you need to know which category an item falls into. By knowing this, you can calculate the percentage of all of the things that belong to that category. You might also do this to other classes, however in this circumstance, all things are equal is much more important. The second kind of comparison is that the'none of the above' type.
Whenever you make this type of contrast, you are going to need to do more than simply'put them into their own groups. There are a lot of explanations as to why the gap between one thing and yet another might be missing, however, it does not signify that the very first item was actually anything more than an imitation. Whether there are methods to'draw a line' between the two things, this kind of comparison will be able to help you decide if you should concentrate on one or the other.
It all depends on what you believe would benefit you the most, and what would help you get to your goal. In any event you look at it, the Venn Diagram tracks that of the following conclusions could be drawn out of them? The effect is dependent upon which category all the things belongs to.
If one of those items was a complete replica of the other, it would probably make the conclusion'all things are equal. Both of these conclusions have many advantages and disadvantages, but only you can choose which one best matches your situation. You may even discover that the final outcome is completely wrong, but you won't know that till you finish the process.
That's the beauty of using Venn Diagrams: You can not only look at the same item and draw your own conclusion. The practice is intended to be fun, so do as much research as you can and find the answer to your question.
Then, once you've got the right response, you can rest assured that you've taken the correct route and that you are on the right path.
User Blog. User Blog Global.Intro information. This blog describes how you can configure a Microsoft Forefront Threat Management Gateway server TMG to allow external users connect to our on-premises Lync environment. But in some environments there is no other way then to use less addresses. The Lync environment contains a Front End server and one consolidated Edge server.
As seen in the figure below, we can identify it is a 3 leg perimeter setup. When we first run the TMG management snap-in we will be confronted with a small setup. This setup contains 3 basic steps. The first one is Configure Network Settings. Press 1 Configure Network settings. We will assume that the internal systems are trusted, so we will give them fully internet access. We must configure an access as described below.
We will have to create one NAT rule. You can configure this rule within the networking screen under the networking rules tab. We will have to create 3 non Webserver publishing rules to allow traffic from external sources to our Lync environment. Please follow the instructions:. The Front End server of Lync provides some features that you may want to publish to your own external users.
The Front end server is normally not connected to the internet without a Firewall. To make use of the feature set of the Front end, we will have to create a Reverse proxy configuration.
To configure a Reverse Proxy, we will have to make two separate configurations. Because the Front End server is listening on a different port for external connections we have to modify the redirection of the rule.
Open the Reverse proxy rule and open the tab Bridging. Click on OK to save the rule. Clients will now be able to connect from external networks and have all the Lync available features.
Deze blog beschrijft de opzet en configuratie van een Microsoft Forefront Threat Management Gateway server TMG ten behoeve van het verlenen van externe toegang tot de Microsoft Lync Server omgeving.Installing the software is straightforward, but getting every functional element of all the ancillary components configured properly is a challenge.
Before the deployment is fully functional you need to solve issues such as firewalls, network capacities, reverse proxy, DNS, routes, certificates, and so forth. This troubleshooting checklist was developed to facilitate a smooth deployment of Edge Server. Authors : Patrick Kelley with Sebastiaan Poels. Because these DNS entries are public, they need to resolve externally for all users.
To test this functionality, run a simple NSLookup from any machine on a public network. Figure 2 shows the A records. Table 1 is a reference table that can be used to check all the required DNS records. When you have verified that all DNS entries are correct, you can move on to Step 2. Verifying that these records exist and resolve publicly, is a critical step for a proper DNS deployment.
Nslookup for Access Edge sip. Nslookup the Internal Lync Pool Pool. When all DNS entries from Step 1 are valid and working, the next step to verify that all ports are open and functional.
To accomplish this task perform run a series of simple Telnet tests to verify that the firewall ports are open and accepting connections.Установка Lync Server 2013 Standard: Быстрый старт
To build off the examples above, test connectivity to your Edge Servers external interfaces from any public network. The results should look like Figure 3 below. When the Telnet session connects the screen goes blank. This verifies that the port is open and properly connected. Table 3 is a list of all required network ports in a typical Edge Server environment. Verifying that all ports are open is a essential step when building a network architecture.
When your DNS resolves perfectly and ports are open and communicating — you are ready to address certificates. The Lync Server Deployment Wizard facilitates the certificate setup process, but multiple issues need to be clarified to ensure a successful deployment. Deploying an Edge Server can be the most challenging aspect of your deployment.
It requires an understanding the application layer and many ancillary components such as the network layer and the Public Key Infrastructure PKI. Because so many components must work in unison, it is easy to miss important architectural details.
We hope it will help you pinpoint issues and successfully deploy the Lync Server Edge Server. Nslookup from the External client. Reply with the external IP of your Access Edge interface. Reply with the external IP of your Web Conferencing interface.
Nslookup for AV edge av. Reply with the external IP of your Reverse Proxy interface. Lync Web Services. Nslookup from the Lync Edge Server. Reply with the Internal Pool IP address. Next Hop to internal Lync Pool. Nslookup from the Lync Pool. Reply from the internal interface of the Lync Edge server. Edge Server functions. Telnet from External Client.Test Lab Guides TLGs allow you to get valuable hands-on experience with new products and technologies using a pre-defined and tested methodology that results in a working configuration.
When you use a TLG to create a test lab, instructions define what servers to create, how to configure the operating systems and system services, and how to install and configure any additional products or technologies. A TLG experience enables you to see all of the components and the configuration steps on both the front-end and back-end that are required for a product or technology or for a multi-product or technology solution.
A challenge in creating useful TLGs is to enable their reusability and extensibility. Because creating a test lab can represent a significant investment of time and resources, your ability to reuse and extend the work required to create test labs is important.
An ideal test lab environment would enable you to create a basic lab configuration, save that configuration, and then build out multiple test lab scenarios in the future by starting with the base configuration.
Lync Edge STUN versus TURN
For a test lab based on physical computers, you can image the drives for future test labs. For a test lab based on virtual machines, you can create snapshots for future test labs.
This allows you to easily return to the desired configuration for further learning and experimentation. The base configuration is the standard starting point from which you can build test labs based on other TLGs from Microsoft, test lab extensions in the TechNet Wiki, or a test lab of your own design that can include Microsoft or non-Microsoft products. The base configuration is just the beginning of the test lab experience.
After configuring the computers of the base configuration test lab, make sure that you perform a disk image on each computer if you are using physical computers, or perform virtual machine snapshots if you are using virtual machines.
When both the Corpnet and Internet subnets are configured, the CLIENT1 computer can be moved between the subnets to show intranet and Internet behaviors and functionality. As its name suggests, the isolated subnets configuration is intended for configuration on subnets that are isolated from your organization network and the real Internet. With this configuration, you have ultimate control over the computers and their connections.
The public cloud base configuration is a test lab that consists of just the Corpnet subnet and is connected to your production network, allowing scalability and ongoing access to the Internet for public cloud technologies such as Office and Microsoft Azure. Here is the configuration:. Hosting a test lab configuration in Microsoft Azure can sometimes be easier that trying to collect physical computers or obtain virtual machines on an isolated subnet for testing.
In Azure, you can set up two different base configurations, depending on your needs. The Azure base configuration is a test lab that consists of just the Corpnet subnet and is hosted within a cloud-only Azure Virtual Network named TestLab.
This new configuration allows you to build out test labs in Azure infrastructure services as part of your current or future plans to move parts of your IT infrastructure to the public cloud. For instructions on setting up the Azure base configuration, see Base Configuration in Azure.
A modular TLG describes how to set up and demonstrate technology, product, or solution for either the Base Configuration test lab or a test lab based on another modular TLG.
A test lab extension describes how to configure additional functionality or advanced or uncommon configurations based on a working test lab. A test lab extension extends a modular TLG but typically does not create a new test lab environment that other TLGs can build on.
A test lab extension also includes virtualization advice so that you can create snapshots to store the modified test lab configuration and easily restore the original working test lab configuration.
A troubleshooting TLG describes the troubleshooting tools and how they appear in a working test lab for technology, product, or multi-technology and product solution. The working test lab is typically based on a modular TLG. A troubleshooting TLG also takes you through a set of troubleshooting scenarios.
Each troubleshooting scenario steps you through the following:. A test lab troubleshooting scenario provides an additional scenario to demonstrate the results of a misconfiguration or other type of common problem and guide the reader through the root cause determination and correction. Test lab troubleshooting scenarios extend a troubleshooting TLG.
A TLG mini-module just includes the essential configuration steps to get an existing and working test lab to a new working configuration, skipping the demonstration steps. However, in some cases, you already have the expertise and just want to get to a new working test lab environment as quickly as possible. Another use for TLG mini-modules is building block TLGs, where you just want to install a product or software component and leave the demonstration of functionality to other modular TLGs.
United States English. Post an article. Subscribe to Article RSS. Click Sign In to add the tip, solution, correction or comment that will help other users. Report inappropriate content using these instructions.If you need greater capacity or you require high availability, you should deploy a scaled consolidated Edge Server topology.
Scaled consolidated edge with hardware load balancers in Lync Server When using public IP address on the Edge Server, the default gateway on the Edge Server is no longer your firewall or router, but the router or firewall at your public perimeter edge — which will be a public address. The reverse proxy continues to use the router or firewall associated with the outermost perimeter network.
The difference between the reverse proxy and the Edge Server with public IP addresses is that the reverse proxy is still using NAT and the Edge Server is using a route relationship.
The figure does not show Directors, an optional server role deployed in the internal network between the Edge Servers and your Front End pools or server. For details about the topology for Directors, see Components required for the Director in Lync Server The figure represents a single reverse proxy. The figure shown is for orientation and example IP addressing, but does not intend to represent actual communication flows with the correct incoming and outgoing traffic.
The figure represents a high level view of possible traffic. Details for traffic flow as they pertain to incoming to listening ports and outgoing to destination servers or clients is represented in the Port Summary diagram in each scenario.
For example, TCP is actually inbound to the Edge or reverse proxy only, and is only a two-way flow from a protocol TCP perspective. Additionally, the figure shows the nature of traffic as it changes when NAT network address translation occurs destination address is changed on inbound, source address is changed on outbound.
Example external and internal firewall, and server interfaces are shown for reference purposes only. Finally, example default gateway and route relationships are shown, where applicable. Note also that the diagram uses the. Much like IPv4 addressing, IPv6 addresses must be assigned in such a way that the addresses are part of your assigned IPv6 address space.
The addresses in this topic are for example only. You must acquire IPv6 addresses that will function in your deployment, provide the correct scope and will interoperate with internal and external addressing. Windows Server provides a feature that is important to transitional IPv6 operation and IPv4 to IPv6 communication called the dual stack.While investigating a recent Lync issue, I had to reacquaint myself with the main databases used in a Lync deployment.
In this blog post, I have documented my experiences for the benefit of others. The bit versions of SQL are not supported. Here is what you need to know about the CMS:. The pool back-end database is the heart of Lync functionality. The following 3 important databases are used for the core feature set of Lync:. There are 3 separate databases used:. Here is a breakdown:. The diagram below illustrates these Lync SQL instances and databases in an example Lync organization with 2 pools and 3 front-end servers.
In this organization, the Standard Edition Pool and associated Front-End server was the first to be installed in this organization. Remember, there is only one master copy of CMS database which is automatically installed on the first instance of a Standard Edition or Enterprise Edition Lync pool.
One the great features introduced with Lync server is PowerShell access to almost everything in the Lync system. You can install, install, and configure the various Lync databases from PowerShell.
The back-end pool database is crucial for Lync login and function. The back-end for any pool can be viewed in the Lync Topology builder, or you can retrieve the SQL server and instance name for any back-end pool database using the following PowerShell cmdlets:. You can also be able to do this with the Get-CsTopology cmdlet but it is not as straightforward. If you ever need to manually create the databases used by a particular Lync role, check-out the Install-CsDatabase cmdlet.
It has come in handy several times. For example, to manually create the Lync Monitoring Databases, you could use this command:. Similarly, you can remove the databases associated with a particular Lync role with the Uninstall-CsDatabase cmdlet. The back-end database for a Lync pool requires a separate SQL instance, but you can collocate the archiving and monitoring databases with it.
Understanding Lync Edge Server Ports
You cannot collocate the back-end database with any other Lync server roles including the Front-End server unless it is a Front-End Standard Edition — in which case the database is installed with the Lync Front-End Server.
The location of the Lync SQL database files and associated transaction logs on disk can significantly affect performance. During an install of Lync Server, the necessary rules are added to the local Windows Firewall to allow the various Lync services to talk to the SQL databases. This can happen if the Windows Firewall service was stopped during part or all of the Lync Install. Doug Deitterick has an excellent post about this.
Is the problem with the way SQLExpress is being installed or the way the topology is being published? I also remember an option when publishing the Topology where you can select the SQL instance default paths this is how you likely got the other databases moved I am assuming. Hi Curtis, I have running a Lync enviroment with enterprise edition pool. Monitoring server is running on the back end SQL.