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Lync Server 2013 Backend DR

September 8, 2014, 8:29 am
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Hi

My topology is as follow:

  1. I have 2 sites:  Main and DR.
  2. In those 2 sites, I have  2 pools with 3 FE (For HA) in each pool; configured in Paired Pool (For Dr).
  3. I also have SQL mirroring configured (for HA) on  both site with 3 SQL servers in each site (Primary, mirroring and Witness

My question is if all three SQL Servers are down in Main site, But all 3 FEs in Main site are up. What is recommended, Available and best solution for Backend DR?

As both Pools are up so i do not want to do Pool failed over when my backed is down if that make sense. 

Thanks

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Storage requirement for Lync Server 2013 & Persistent Chat Back end Databases

August 29, 2014, 8:09 am
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Hi 

How much disk Space i need for back end Databases for Lync Server 2013 Enterprise pool of 12 x FEs homed 80,000 users? Also Disk space required on Each FEs for local Databases in SQL Express?

Similar, How mach disk space i need for Persistent Chat Pool (8 x Servers homed 80,000 users) back end Database and Compliance ? 

Thanks

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Handset on the wall in front of the business door

September 8, 2014, 6:57 am
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Hello,

I am looking for a solution. I have a client that has analog system at this time. I am moving them to Lync with Enterprise Voice.

At this time, in front of the door they have a handset hanging on the wall with cable going inside the wall. When visitor comes to the office, they pick up handset and it automatically rings to a few people in the office. One of employees picks up the phone and comes to the door to open it.

Is there anything like this I can use? I do not want to hang the phone on the wall, but not sure what else is there.

Thank you.
Igor.


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what's happen if i deploy full SQL server 2008 R2 on lync server?

September 6, 2014, 5:59 am
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SQL Mirroring failover For Lync 2013 - Prerequisite

March 4, 2014, 11:41 pm
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To initiate manual Failover for Lync 2013 User\App\Monitoring type database from Lync management shell, what are the access right\ permissions prerequisite.

From Lync side am sure account should be member of CSAdministrator and RTCUniversalServerAdmin group, however from sql side, does account required to have SA rights on both the primary & mirror DB instance.

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lync server 2010 migration to Lync 2013 Database Issue

September 7, 2014, 2:56 am
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Hello

I have a pervious post here for my issue but still the issue is not solved , I will post the issue again here ,

Im trying to migrate my lync 2010 to lync 2013 .

I start the  lync 2010 to 2013 migration , but I have a database issue ,

in my lync 2010 I have 3 servers (FE, ME, BE) , in the new 2013 I have 2 servers (FE ,BE )

I went throw the steps for migration till I reach to the topology builder where I have to create the database for lync2013 , I named it  (rtc , 2013mon,2013 arc)

I chose to put all the three DB in BE server . I installed the sql server 2012 on my BE server ,

I get this error when I try to finish the install of DB from topology builder
I try the command install cs-database , but again I got the error failed to find sql services make sure that the sql service instance name rtc is installed in the machine hq-lunc2013 -be

I disabled the firewall in both the front end and the back end server's , but still the issue .

there was errors during the sql server installation related to .net frame work , but I fixed the issue and I continue the sql server installation ..later on I can see the management studio and all the sql server service running .

do I need to create the database instance (rtc, 2013 mon , 2013 arc ) in the sql server manually ?

any other suggestion to solve the issue ?

the error I get :
SqlConnectionFailure: Failed to connect to SQL Server

7/17/2014 6:39:06 AM

Error



â””

Error: Failed to find SQL Service. Make sure that SQL Server service (instance name rtc) is installed in machine HQ-LYNC2013-BE.######

7/17/2014 6:39:06 AM

Error


â–¼ Details


â”” Type: DbSetupSqlServiceNotInstalledException

I appreciate if you can help me in this issue ?

mk


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Lync environment report - draw pictures in VISIO

September 2, 2014, 2:42 am
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Hi guys.

We are trying to use this tool:

http://gallery.technet.microsoft.com/office/Lync-Environment-Report-cbc6fb1a

to draw visio pictures of current lync configuration but it aint drawing anything.

can anyone here helps us to achieve that?

We have 2 front end servers (std edition) in pool pairing - I think this is causing that visio is not drawing anything.

And 2 edge servers in one pool.

Who wants to earn a bucket of beers and helps us with this problem? :)

with best regards,

bostjanc

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Understanding MRAS

September 9, 2014, 7:48 am
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Hello Everybody,

I have recently started to work with Lync 2013 as my new assignment at work.

I have found that there is a uri mentioned for MRAS in the Lync client configuration settings.

I have been wondering and have heard this term in Lync for the first time. I tried goggling a little but couldn't find a concrete article describing the role and functioning of MRAS.

Can somebody please help be understand the concept of MRAS, that has been introduced to Lync 2013 as I guess.

Thank You!!!

BR,

Ammi.

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Lync 2013 Installation

September 9, 2014, 11:50 am
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HI,

I am preparing my lab for Lync 2013 server. My question is regarding installation of lync 2013 with sql 2012 server. When i install it on the machine on lab. It automatically install sql 2008 express edition on the pc and install three different instance with different database.

Is there any way to install it on SQL 2012 only single instance with different databases. for all lync 2013 roles Like archiving, monitoring chat etc. All databases only on single instance and on sql2012.

Please suggest my the solution

Thanks


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Looking for flow descriptions describing squence of events to finish certain functions.

September 9, 2014, 2:04 pm
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We have two pools of Lync 2013 enterprise voice setup.  I wanted to refresh on how Lync performs calls, desktop sharing, mobile from start to end.  e.g I hit the 'Call button' on my lync client then it does X, y to get to Z to complete the call.  Would like to see what Lync has to do start and then end.

Yes I did Google a few of these, and it shows a few flow charts, but looking for something a bit more detailed without a bunch of generic lines to this and that.

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Enable-CsUser : The EXECUTE permission was denied on the object 'XdsPublishItems', database 'xds', schema 'dbo'

March 24, 2014, 8:03 am
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I have created a PowerShell script that automates enabling users for Lync and setting policies based on group membership. I've successfully tested this script under my domain admin account and now I am working on getting it running as a scheduled task.

Since all the script really does related to Lync is run the commands Enable-CsUser, Set-CsUser, and Grant-Cs<policy name>Policy, I elected to create a service account that only has Lync user administration permissions.  Initially, this user account was just a member of CSUserAdministration but this was not working so I added the user to RTCUniversalUserAdmins based on some other information I found.

This change got me by the various access denied errors I was getting in the script, but now I am getting the following error when I run the Enable-CsUser part:

Enable-CsUser : The EXECUTE permission was denied on the object 'XdsPublishItems', database 'xds', schema 'dbo'.
At line:1 char:1+ Enable-CsUser -Identity <redacted> -RegistrarPool <redacted> - ...+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+ CategoryInfo          : NotSpecified: (:) [Enable-CsUser], SqlException+ FullyQualifiedErrorId : System.Data.SqlClient.SqlException,Microsoft.Rtc.Management.AD.Cmdlets.EnableOcsUserCmdl
   et

This seems to be some sort of permission error related to the permissions on the SQL database "xds".  I checked, and RTCUniversalUserAdmins is a member of both CsUserAdministration and RTCUniversalReadOnlyAdmins.  This latter group does have permissions on the xds database.  It appears to be granted the "public" role on the database server.  The User Mapping shows the following users mapped to the login:

  • cpsdyn: public,ReadOnlyRole
  • lis: public,ReadOnlyRole
  • rgsconfig: public,ReadOnlyRole
  • rgsdyn: public,ReadOnlyRole
  • rtcxds: public,ConsumerRole
  • xds: public,ConsumerRole

Even though I receive this error, the user is actually added to Lync. Follow-up Set-CsUser and Grant-Cs<policy name>Policy cmdlets succeed just fine.

What do I need to do to fix this error message?

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Lync 2013 Standard Edition FE on Windows 2012 R2 doens't start

September 10, 2014, 3:00 am
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Hi all,

i already found a lot of Issues and Answer to this kind of Issue.
But none helped.

Environment.
It is a fresh installed Lync 2013 SE

Error:
I get errors that de Fabric Manager cant start
And under the Windows Fabric Eventlogs i get the following Errors:

The cluster manifest file is invalid. Exception System.InvalidOperationException: There is an error in XML document (109, 73). ---> System.Xml.XmlException: An error occurred while parsing EntityName. Line 109, position 73.

   at System.Xml.XmlTextReaderImpl.Throw(String res, Int32 lineNo, Int32 linePos)

   at System.Xml.XmlTextReaderImpl.HandleEntityReference(Boolean isInAttributeValue, EntityExpandType expandType, Int32& charRefEndPos)

   at System.Xml.XmlTextReaderImpl.ParseAttributeValueSlow(Int32 curPos, Char quoteChar, NodeData attr)

   at System.Xml.XmlTextReaderImpl.ParseAttributes()

   at System.Xml.XmlTextReaderImpl.ParseElement()

   at System.Xml.XmlTextReaderImpl.ParseElementContent()

   at System.Xml.XsdValidatingReader.Read()

   at System.Xml.XmlReader.MoveToContent()

   at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderClusterManifestType.Read18_SettingsOverridesTypeSection(Boolean isNullable, Boolean checkType)

   at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderClusterManifestType.Read20_ClusterManifestType(Boolean isNullable, Boolean checkType)

   at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderClusterManifestType.Read21_ClusterManifest()

   --- End of inner exception stack trace ---

   at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events)

   at Microsoft.Fabric.FabricDeployer.Utility.ReadXml[T](XmlReader reader)

   at Microsoft.Fabric.FabricDeployer.Deployer.ReadClusterManifest(String clusterManifestPath, String schemaFilePath, ClusterManifestType& clusterManifest)

How can i repair this clustermanifest.xml? Reset-CsPoolRegistrarState with the switch fullreset doesn't help.
reinstall from deployment wizard step 2 and a complett installation didn't helped
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How to access Lync 2013 standard database?

September 10, 2014, 6:45 am
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Just trying to figure out how to access the SQL express database that gets installed during the Lync install. Is there a default SA password or group that i can put myself in? When i installed all the databases were thrown all over the different drives. I want to clean that up. 

Thanks!

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Strange idle bandwidth

September 10, 2014, 10:22 am
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Having a problem with Lync Server 2013 standard that I was wondering if anyone could help with.  We have noticed that whenever an external client connects to the system from the WAN using either the full client or mobility clients there is a strange spike in bandwidth.  There is approximately 2mb up and down usage for the first client to connect, additional clients increase this usage though only a portion of the 2mb is added, approximately 600k-1mb per additional user.   This is completely idle bandwidth.  No calls or messages are being sent.  This does not occur for LAN based clients.  It is not the Exchange Web Services issue I have seen elsewhere.  Changing the personal information manager in the client to "none" does not cause any changes in the network usage whatsoever.

Our setup is fairly generic.  1 server, 1 edge with no changes to the default configuration other than our network information, certs and such.

Is this normal?  Is it an indication of some further issue?

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Lync 2013 Mobile Internal Certificates

September 10, 2014, 11:12 am
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Standard Edition Lync 2013 FE server, reverse proxy, edge servers, all set up and working with no issues on desktop Lync 2013 clients (internal and external), and all Lync 2013 mobile clients work from outside.  However, mobile devices do not connect from the internal wireless network, which is on the same subnet and uses the same DNS as all Lync servers and workstations on the LAN.  Certificates are all configured with proper SANs and installed properly (internal CA for internal web services, Godaddy public cert for external).  Again, all services work as expected except for mobile clients on internal wireless.

From Microsoft's documentation:  http://technet.microsoft.com/en-us/library/hh690030.aspx

  • When you use Automatic Discovery, mobile devices use DNS to locate resources. During the DNS lookup, a connection is first attempted to the FQDN that is associated with the internal DNS record (lyncdiscoverinternal.<internal domain name>). If a connection cannot be made by using the internal DNS record, a connection is attempted by using the external DNS record (lyncdiscover.<sipdomain>). A mobile device that is internal to the network connects to the internal Autodiscover Service URL, and a mobile device that is external to the network connects to the external Autodiscover Service URL.

Internal DNS lookups on lyncdiscoverinternal do return the internal IP address of the FE server.  In the mobile client logs, I can see the documented procedure occuring:  the request for autodiscover services from lyncdiscoverinternal is, in fact, answered with the internal FQDN of the FE server along with the autodiscover services, which then fails because the internal CA root cert is not installed on the device.  Therein lies my problem and my question.

How is it possible for mobile clients to access the autodiscover information through an https request to the internal FQDN of the FE server without having already trusted the internal CA?  There will always be "BYOD" devices that will need to connect to our Lync services, and it would be impossible to manually install the internal CA root certificate on each device.

Thanks in advance for any advice and assistance.  I've been working on this system for several weeks and have all aspects of our Lync 2013 system working except this one single issue.

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Lync 2013 EDGE replication is not working

January 30, 2014, 11:57 pm
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Hi,

I need help, I think the problem accrued when I installed updates. From Lync FE server I can access edge:4443/replicationwebservice, certificate is trusted. I added registry keys to: HKLM\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL,but it not made any sense.Lync logging tools detected:

TL_WARN(TF_COMPONENT) [1]32CC.3050::01/31/2014-07:27:31.194.00000669 (XDS_File_Transfer_Agent,FileTransferTask.CopyFilesToReplicaUsingWcf:filetransfertask.cs(631)) (00000000030B7F44)Failed to copy files from temp directory. Exception: [System.ServiceModel.Security.MessageSecurityException: The HTTP request was forbidden with client authentication scheme'Anonymous'. ---> System.Net.WebException: The remote server returned an error: (403)Forbidden.

TL_WARN(TF_COMPONENT) [1]32CC.3050::01/31/2014-07:27:31.194.0000066a (XDS_File_Transfer_Agent,FileTransferTask.IsUnhandledException:filetransfertask.cs(853)) (00000000030B7F44)Exception occured. Task execution will be retried. Exception: [System.ServiceModel.Security.MessageSecurityException: The HTTP request was forbidden with client authentication scheme'Anonymous'. ---> System.Net.WebException: The remote server returned an error: (403)Forbidden.    at System.Net.HttpWebRequest.GetResponse()  at System.ServiceModel.Channels.HttpChannelFactory`1.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)  --- End of inner exception stack trace ---Server stack trace:   at System.ServiceModel.Channels.HttpChannelUtilities.ValidateAuthentication(HttpWebRequest request, HttpWebResponse response, WebException responseException, HttpChannelFactory`1 factory)  at System.ServiceModel.Channels.HttpChannelUtilities.ValidateRequestReplyResponse(HttpWebRequest request, HttpWebResponse response, HttpChannelFactory`1 factory, WebException responseException, ChannelBinding channelBinding)  at System.ServiceModel.Channels.HttpChannelFactory`1.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)  at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout)  at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)  at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)  at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)Exception rethrown at [0]:   at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)  at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)  at Microsoft.Rtc.Xds.Replication.Common.IReplicationWebService.UploadFiles(String senderFqdn, String path, ReplicaFileCollection files)  at Microsoft.Rtc.Xds.Replication.FileTransfer.FileTransferTask.CopyFilesToReplicaUsingWcf(String fromDir, String toDir)]

 

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SBA and Monitoring Server

September 11, 2014, 1:58 am
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Hi,

Some of the calls are not seen in the monitoring reports. The calls are made on SBA that is far away from Main Office.

My questions:

1) if we have network (WAN) outage, are the data sent to Monitoring after the network link is repaired?

2) why I do not see all records although I know the calls were made and I see sip traffic on gateway logs?

3) what can I do to improve it?

Regards,

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Call Admission Control - Network Site for Servers

September 11, 2014, 6:43 am
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As perhttp://technet.microsoft.com/en-us/library/gg398928.aspx?I understand that I need to add subnet or IP addresses of all Front End Servers, Edge servers Internal Interface, Survivable Branch Appliances (SBAs), Audio/Video Conferencing Servers (if in a separate pool), Mediation Servers and PSTN Gateways.

Also If one or more Edge Servers are deployed, each external interface IP address must be added to the subnet list in the network configuration settings, with a bit mask of 32.

 

We have all Servers in data centre, and users are on different site with varies bandwidth connection. All sites have MPLS connection to DCs.

My questions are:

 

  1. Which site should I associate the subnet of servers?. Should I create a site for DC and associate all the server subnets to it?
  1. Then it will become like hub and spoke topology, Hub is DC and all users remote sites are spoke . I have decided bandwidth policy for all remote sites but not sure how should I design same for DC site? Any recommendation / best practice?. My concern is that DC site  will be bottle neck as all the A/V session of users between remote sites going via DC site. 

Thanks for your help.

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    Lync 2013 Client - Silent Installation

    January 15, 2013, 7:49 pm
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    Hi,

    I'm having trouble getting the windows client to install silently. I've created a MSP, tried various different commands and it doesn't install. I'd like to use SCCM to deploy it but that also doesn't work. It doesn't look like it failing just not installing, quite frustrating.

    Has anyone successfully deployed the client if so how?

    Thanks
    Ben

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    Lync Server 2013 using SQL AlwaysOn Availablity Groups

    March 25, 2013, 1:55 pm
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    With SQL Server 2012, Database Mirroring has been depreciated and will no longer be support in future versions.

    Has anyone deployed Lync Server 2013 using SQL AlwaysOn Availability Groups?

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