Tag Archives: Archiving

Deploy Skype for Business Archiving and Monitoring Server


This is an extension of Step by step Skype for Business Server Standard Edition deployment, covers Archiving and Monitoring Server deployment for Standard Edition Server. This post does not cover Call Quality Dashboard.

Archiving server creates Lcslog database to store instant messaging and conferencing data while monitoring server create CDR (call details record) and QoE (quality of experience) databases. Therefore to start with the deployment process, first deploy SQL Server Standard Edition for archiving and monitoring server databases. Features which you need to select are given below:

  • Database Engine Services
  • Reporting Services – Native
  • Management Tools – Basic
    • Management Tools – Complete

Once you are done with SQL server deployment, configure SQL server. By default SQL server uses dynamic port for deployed instance, it is better to use static port.

Open Sql server configuration Manager.

 

Go to the SQL Server Network Configuration > Protocols for “Instance” > Go to the TCP/IP Properties > Select “IP Address” tab and scroll down

 

Remove TCP Dynamic Ports and assign static TCP Port such as 1433 > Apply > OK

 

Go to the SQL Server Services > Restart “SQL Server (Instance)” service.

 

You can expect below error while publishing topology or installing databases if don’t create any rules or disable windows firewall.

Either create firewall rules to open required ports and protocols or disable windows firewall. To disable Windows firewall is not a best practice for production environment. Create Inbound and Outbound firewall rules as given below:

Inbound

Allow Port 80, 443 – TCP and UDP

Allow Port 1433 – TCP

Allow Port 1434 – UDP

Enable Firewall rules which already exists.

Outbound

Allow Port 80, 443 – TCP and UDP

Turn on network discovery & file and printer sharing.

Now, you are done with SQL server configuration.

 

Go to the Skype for Business Server Standard Edition and open Topology Builder.

 

Go to the Standard Edition Server.

 

Right click on SE server and Edit Properties.

 

Select Archiving Server.

 

Click on New to add SQL Server.

 

Write SQL Server FQDN and Instance Name.


 

Now, Select Monitoring Server and drop down for SQL Server. Click OK.

 

Now Publish Topology.

 

Click on Next.

 

Select database.

 

Select database and click on Advance if you want to change database file location. In my case, I am going with default.

 

It will create databases for archiving and monitoring.

Once it is completed successfully, click on Finish.

 

Now, open Skype for Business Server 2015 Deployment Wizard. Click on Deploy Monitoring Report and follow the steps.

 

 

 

 

 

 

Once you are done with the process, you can use monitoring repots or can enable/create archiving policies based on your requirements.

Done J

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Lync 2013 Enterprise Edition Users and Servers Model


Lync designing & planning is intricate part and right decision can help organization to get better ROI. This article may help Solution Architects, Consultants and System Administrator to choose best Lync server/pool model. Number of Lync servers in a pool, collocated or distributed model of Lync roles typically depends on No. of Lync users, their activities and different geo locations.

Lync 2013 Server Pools Number of Servers Supported No. of End users Remarks
Lync 2013 Front End pool (Collocated with A/V conferencing, Mediation Server, A/M server) 12 80,000 Max. Conferences size is limited to 250 users, Media Bypass is required to support all users with condition of 60 % users are enable for EV and only 40% calls are UC-PSTN calls.
Lync 2013 Front End Pool (A/V only) 2 Large conferences b/w 250 – 1000 users
Lync 2013 Mediation Pool 12 80,000 100% users are enabled for EV and 80% calls are UC-PSTN calls. 12 servers are required if Media by pass in not enable/supported for deployed EV connectivity. No. of servers will reduce based on Media bypass configuration according to the %.
Lync 2013 Persistent Chat 8 (4 active & 4 Passive) 80,000 1, 50,000 users can be enabled for pChat and 80,000 users can use concurrent. Only pChat pool can be stretched b/w sites to achieve DR. For more details check Lync 2013 HA
Lync 2013 Edge Server 4 – 8 80,000 Depends on how many users will access Lync services simultaneously, 3-4 servers for 30-40% & 7-8 servers for 100%
Lync Director (optional) 3 – 8 80,000 Depends on remote users, 3 servers for 30% remote users and 8 servers for 100% remote users.
SQL Server 2* 80,000 *2 for each backend databases

 

Important: Above data has provided for physical servers, minor change can happen if you use virtualization as per MS guidelines. It does not take any accountability of DR plan/scenarios. If you are planning for DR also, please account overhead of DR users if available.

High Availability in Lync 2013


Availability is the concern for any enterprise application. In Lync 2013 Microsoft took a step ahead and delivered better availability options. Lync 2013 is a next level enterprise communication and voice based solution which based on different Lync Server roles. In Lync 2013 Microsoft did a tremendous job to consolidate many Lync roles and reduced the number of Lync roles and their complexity. To know more about Lync roles click here

Lync Server Standard Edition and HA*

This is big question for all to know about HA option in Lync Server 2013 Standard Edition. Lync Server 2013 supports up to 5000 users and can be deployed in a single box but to achieve more availability (*not exactly High Availability) you can deploy Lync 2013 SE in paired pool. Paired pools means deploy two Lync SE Server and paired them in a pool. Failover In a paired pool is manual activity (can be automated by PowerShell scripting) and users will get limited functionality at the time of failover. HA can’t be achieved for Persistent Chat in Standard Edition.

Lync Server Enterprise Edition and HA

Lync Server Front End (Audio/Video, Archiving & Monitoring is collocated): High availability can be achieved by deploying Lync 2013 Enterprise Edition Server pool. In one Lync Server 2013 EE pool you can accommodate 80,000 users by deploying maximum of 12 servers. Lync 2013 Enterprise Edition is designed by using brick model which works on Windows Fabric to provide HA. In Lync 2013 EE need minimum three FE servers (MS recommendation) for one pool. For availability, Lync Server pool needs N/2, N/2+1 server in a pool to work.

Microsoft recommends if you have large conferences for more than 250 users, a separate A/V (FE) pool can be deployed.

Lync Server Back End: Lync Server uses SQL server for its backend databases. You need databases for Lync Server backend, archiving/monitoring and persistent chat which can be collocated in one SQL server or deployed on separate (MS recommended) SQL Server instances. Lync Server 2013 supports SQL mirror for its databases. It does not support SQL failover clustering (not recommended) or SQL always on feature. To configure automatic failover in SQL server mirror, you need SQL witness server which can be SQL Express edition or SQL Server instance.

Lync Mediation Server: In Lync 2013, Mediation server role can be collocated with FE server role or can be deployed separately as a pool.

Lync Persistent Chat: In Lync 2013, Persistent Chat is a new server role which replace Lync server 2010 Group Chat server component which was not part of the Lync 2010 server roles. You can deploy Lync Server Persistent Chat as a pool to achieve HA and can have maximum 8 servers in a pool (4 active and 4 passive) for 80,000 concurrent users and total 1, 50,000 users.

Lync Edge Server: Lync Edge server role can be deployed as a pool in a perimeter network to provide HA for external (outside your organization firewall) users.

Director: In Lync 2013, Director is an optional role and can be deployed in the same way as Lync Server 2010 Director pool.

Reverse proxy: Reverse Proxy is not part of any Lync Server role but required for external users. You can use Microsoft Reverse proxy solutions such TMG 2010 / UAG 2010 / IIS ARR or can have any third party solution.

What’s New in Lync Server 2013…?


Microsoft is playing a major role in Unified Communication market. Lync Server 2013 is a 6th release in last one decade. Enterprise voice was started with OCS 2007 R2 and Lync server 2010 became a major release in Enterprise voice space. Lync 2013 is a major release after Lync 2010 and now cumulative updates are also available to download.

In Lync 2013, Microsoft came up with few tremendous features in terms of voice which changed the overall Lync deployment as well as fit into those countries where government has regulation for VOIP. Now, you are thinking which that tremendous feature is; I am talking about Location based routing (LBR) which can provide room for Lync implementation with Enterprise voice in those countries where government has regulated or they have some specific concerns with regards to VOIP roll out.

I will start with basic features of Lync Server 2013 which differentiate it from previous releases. To start with Lync Server 2013 server roles, I am providing table with comparison which can help you to understand better.

Lync Server 2013 Lync Server 2010
Front End & Back End (A/V is collocated) Front End & Back End
A/V Conferencing (Can be collocated with Front End)
Archiving (Can be deployed separately) Archiving (Can be collocated with Front End)
Monitoring (Can be deployed separately) Monitoring (Can be collocated with Front End)
Mediation (Can be collocated with Front End) Mediation (Can be collocated with Front End)
Director (Optional & Can’t be collocated with Front End) Director (Can’t be collocated with Front End)
Edge (Can’t be collocated with Front End) Edge (Can’t be collocated with Front End)
Persistent Chat (Can’t be collocated with Front End) Group Chat (Can’t be collocated with any Lync Server role)
Standard Edition Server (All above roles combined) Standard Edition Server (All above roles combined except group chat)

 

To get a better understanding, have a look into the images:

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