High availability for Web front END server

Dear All
I am unable to understand the high availability model for Web front end server
I am currently working on MOSS 2007/IIS 7 but I think for all versions it will remain the same
I am now running single WFE server and my installation mode allow for adding extra servers to the Farm
now when I add Extra server what will happen next ? should I add extra web application and site collections ? will load balancing include lists, library items and workflows
how this stuff will be stored on one database
it's too vague to me so extra explanation will be appreciated
Regards

To get a fault tolerant environment you need to do two things.
1) Add a second server that is running the the Microsoft SharePoint Foundation Web Service. That's the service that responds to calls for the web site making the server a WFE.
2) Implement some form of load balancing to distribute HTTP requests for SharePoint web sites to the two servers. This can be done with something as simple as Windows Network Load Balancing or with dedicated hardware like an F5 Load balancer.
Once you've added a load balancer and a second server you don't need to do anything else.
Paul Stork SharePoint Server MVP
Principal Architect: Blue Chip Consulting Group
Blog: http://dontpapanic.com/blog
Twitter: Follow @pstork
Please remember to mark your question as "answered" if this solves your problem.

Similar Messages

The Document Conversions Launcher Service status on a SharePoint Server 2013 Web front-end server displays "Starting" but does not start or stop

I have this strange error showing up from my second Web Front End Server, "The Document Conversions Load Balancer service is stuck in starting, The status showing up "Error Starting". When I lunch the start, it runs then went back to
the same status "Error Starting" for the "Document Conversions Load Balancer Service". How can I get of rid this issue?

Hi Mannyabdon,
Based on your description, I recommend to check the things below:
1. Run the PowerShell command below to check the status of the Secure Store Service:
Get-SPServiceInstance |Where {$_.typename -like "Document Conversions Load Balancer Service"}
If it is not showing online, please stop the service first and then start it to see if the issue still occurs (the
<ServiceGUID> can be obtained obtained from the command above).
Stop the service:
Stop-SPServiceInstance -Identity <ServiceGUID>
Start the service:
Start-SPServiceInstance -Identity <ServiceGUID>
2. Check the ULS log for detailed error message.
For SharePoint 2013, by default, ULS log is at C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\15\LOGS.
Thanks,
Victoria
TechNet Community Support
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact
[email protected]

High Availability for Existing Single Exchange Server holding Multiple Domains

Hi,
I'm trying to implement solution for Backup/Redundancy/High-availability for the existing Exchange Server 2013.
Currently the Exchange Server 2013 deployed on 2012 Server is holding 4 Domains (1 internal domain & 3 public/published domains). The Exchange Server is hosted Internally & published to send & receive mails from the SMTP relay(Third party
resides on internet) server. Client Access & Mailbox Services are on the same server.
Please advice me which is the best scenario to implement a backup/redundancy/high-availability for the current server.
Thanks in advance.
Regards
Roopesh S

Hi,
The following links will help.
High Availability and Site Resilience
http://technet.microsoft.com/en-us/library/dd638137(v=exchg.150).aspx
Deploying High Availability and Site Resilience
http://technet.microsoft.com/en-us/library/dd638129(v=exchg.150).aspx
Planning for High Availability and Site Resilience
http://technet.microsoft.com/en-us/library/dd638104(v=exchg.150).aspx
Backup, Restore, and Disaster Recovery
http://technet.microsoft.com/en-us/library/dd876874(v=exchg.150).aspx
ecsword

Solutions - Seeking input for web front end to storage

I am being bound by business process and privacy issues, and we want to keep our storage in house.
At the same time, all our users see and love drop box and google drive. So how can we, in our own private cloud, setup a web front end to our exisitng storage. Is there some MS product that will already do this? Points to consider,
will it integrate with DFS? SSL? Still be able to map drives directly from in office locations. Encryption (far back seat) options would be awesome. An MS product would be prefered, but are there other solutions??
Am I over thinking this? can I just setup a web server, and maybe code something in house?
BlankMonkey

Hi,
If you need an application works like Google drive or Dropbox, it seems that OneDrive for Business and/or SharePoint online could help:
OneDrive for Business
http://office.microsoft.com/en-us/sharepoint-server-help/what-is-onedrive-for-business-HA102822076.aspx
OneDrive for Business seems more close to your requirement if you just need a place for storing data on private cloud.
SharePoint Online
http://office.microsoft.com/en-us/sharepoint/sharepoint-online-online-collaboration-software-FX103789366.aspx
If you need additional functions, SharePoint Online as well as Office 365 may help.
If you have any feedback on our support, please send to [email protected]

Choosing VM as high availability for BizTalk's SQL Server databases

Hi,
I'm lloking to choose the architecture of our BizTalk 2013 solution.
The application server will be build on virtual machines, but I still have interrogation about the SQL Server.
Is a SQL Server on a VM supported for BizTalk 2013 ?
Because in case of physical failure, the VM moved to another server can we considered the VM as a solution of High-Availability ?
thanks for your reply.

When the SQL VM fails over what attributes of the server will change? If everything including the server name, the mapped SAN locations (for Databases) and/or the versions of SQL will remain the same then it will behave like a temporary network outage between
the Front-end and the SQL.
If however, the failed over VM has a different set of mapped location for DB then you would need to establish a BizTalk Log Shipping between SQL VM 1 and SQL VM 2. In this scenario, the recovery will require time and cannot be automatic.
A word of caution though. If you have SLA's pertaining to transactions/messages per second with the customer then you might want to evaluate having dedicated boxes of SQL. The SQL Licensing is PER CORE and in a VIRTUAL ENVIRONMENT all the
CORES have to be licensed since the Virtualization does not permit you to BIND the VM to a specific set of CORES. The same would apply for your BizTalk Servers. This just might work out costlier as opposed to the dedicated server environment.
Regards.

Site not accessible from the Load balanced web front end server - sharepoint 2010

I have a production environment with 2 WFE's(sp-wfe1 & sp-wfe2), 2 APP's and 2 SQL clustered VM's.
2 WFE's are load balanced using hardware load balancer.
An A-Record(PORTAL) is created in DNS for the virtual IP of the load balancer which points to the 2 WFE's.
A web application is created on the WFE's on port 80.
alternative access mapping is configured and the load balanced record "http://PORTAL" is used under the default zone.
Under IIS I have edited the bindings for the sharepoint site at port 80 and added the HOSTNAME as PORTAL.
Result: The site is accessible from outside the server and works fine.
ISSUE: The site is not accessible within the WFE's(sp-wfe1 & sp-wfe2).
When I browse the site from the WFE's server it ask for the credentials and when I enter the credentials and click OK it ask the credentials again and again and in the end displays a blank page.
Kindly help me in this issue because I am clueless and couldn't find anything helpful on the internet.
Regards,
Mudassar
MADDY-DEV Forum answers from Microsoft Forum

Loop back check.
http://www.harbar.net/archive/2009/07/02/disableloopbackcheck-amp-sharepoint-what-every-admin-and-developer-should-know.aspx

High Availability for SharePoint User Profile Server

Hi All,
We have configure SharePoint Multiple Server farm for one of our customer.
They have raised question as ForeFront Identity Manager Service, ForeFront Identity Manager synchronization Servicee is disable in all other server even we have started from Central Administration.
We are getting below exception
Error Message from ForeFront Identity Management Service
Microsoft.ResourceManagement.Service: System.TypeInitializationException: The type initializer for 'Microsoft.ResourceManagement.WebServices.ResourceManagementServiceHostFactory' threw an exception.
---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.TypeInitializationException: The type initializer for 'Microsoft.ResourceManagement.WebServices.ResourceManagementServiceSection'
threw an exception. ---> System.Configuration.ConfigurationErrorsException: Required attribute 'externalHostName' not found. (C:\Program Files\Microsoft Office Servers\15.0\Service\Microsoft.ResourceManagement.Service.exe.Config line 29)
   at System.Configuration.BaseConfigurationRecord.EvaluateOne(String[] keys, SectionInput input, Boolean isTrusted, FactoryRecord factoryRecord, SectionRecord sectionRecord, Object
parentResult)
   at System.Configuration.BaseConfigurationRecord.Evaluate(FactoryRecord factoryRecord, SectionRecord sectionRecord, Object parentResult, Boolean getLkg, Boolean getRuntimeObject,
Object& result, Object& resultRuntimeObject)
   at System.Configuration.BaseConfigurationRecord.GetSectionRecursive(String configKey, Boolean getLkg, Boolean checkPermission, Boolean getRuntimeObject, Boolean requestIsHere,
Object& result, Object& resultRuntimeObject)
   at System.Configuration.BaseConfigurationRecord.GetSectionRecursive(String configKey, Boolean getLkg, Boolean checkPermission, Boolean getRuntimeObject, Boolean requestIsHere,
Object& result, Object& resultRuntimeObject)
   at System.Configuration.BaseConfigurationRecord.GetSectionRecursive(String configKey, Boolean getLkg, Boolean checkPermission, Boolean getRuntimeObject, Boolean requestIsHere,
Object& result, Object& resultRuntimeObject)
   at System.Configuration.BaseConfigurationRecord.GetSection(String configKey)
   at System.Configuration.ClientConfigurationSystem.System.Configuration.Internal.IInternalConfigSystem.GetSection(String sectionName)
   at System.Configuration.ConfigurationManager.GetSection(String sectionName)
   at Microsoft.ResourceManagement.WebServices.ResourceManagementServiceSection..cctor()
   --- End of inner exception stack trace ---
   at Microsoft.ResourceManagement.Policy.PolicyApplicationManager..ctor()
   --- End of inner exception stack trace ---
   at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandle& ctor, Boolean& bNeedSecurityCheck)
   at System.Activator.CreateInstance[T]()
   at Microsoft.ResourceManagement.Utilities.SingletonObjectBase`1.get_Instance()
   at Microsoft.ResourceManagement.Utilities.DefaultSingletonObjectClassFactory`2.CreateInstance()
   at Microsoft.ResourceManagement.Utilities.ClassFactoryManager.CreateInstance[T]()
   at Microsoft.ResourceManagement.WebServices.ResourceManagementServiceHostFactory..cctor()
   --- End of inner exception stack trace ---
   at Microsoft.ResourceManagement.WebServices.ResourceManagementServiceHostFactory..ctor()
   at Microsoft.ResourceManagement.WindowsHostService.OnStart(String[] args)
Regards, Sachin

The User Profile Sync Service (FIM) can only run on one server in the farm per User Profile Service. Its not designed to be started in two places. That's why you are getting an error. YOu can start the User Profile Service on more than
one server so that it is fault tolerant, but the sync service can only be started on one. Since Sync does not run continuously there is no effect on the farm if it doesn't run other than User Profile freshness. So its not designed to be fault tolerant.
Paul Stork SharePoint Server MVP
Principal Architect: Blue Chip Consulting Group
Blog: http://dontpapanic.com/blog
Twitter: Follow @pstork
Please remember to mark your question as "answered" if this solves your problem.

2 Front-end vs 3 Front-end server

Hi everyone,
Our front-end pool will consist of 2 front-end servers for high availability. One front-end server should support 10,000 users, but since the recommendation for a front-end pool is 3 servers, i want to know if deploying only 2 could be a real issue. What
I understand from the Technet documentation is that the way user data is stored (1 primary copy and 2 backup copies) is one reason (but I would thing not enough reason for us as a company of 1200 users) and that you need to shutdown and bring them up again
in a specific order. Am I missing something what would definitely make me deploy 3 front-end servers?

I'd say just never do two front end servers, it's not recommended at all.
Check out these links to learn more and see some experiences:
Check out Richard Brynteson's blog post
http://masteringlync.com/2013/10/29/understanding-how-windows-fabric-works/ (thank you for writing this up, Richard!)
http://ucnew.wordpress.com/2013/08/16/lync-server-2013-2fe-2be-high-availablity-issue/
http://unifiedme.co.uk/2013/04/lync-server-2013-front-end-architecture-process-and-can-you-run-enterprise-edition-pool-with-one-two-front-end-servers/
Per TechNet "If you do not want to deploy three Enterprise Edition Front End Servers and want high availability and disaster recovery, we recommend you use Lync Server Standard Edition and create two pools with a paired backup relationship. This
will provide the best high availability and disaster recovery solution with only two servers."
http://technet.microsoft.com/en-us/library/gg412996.aspx
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question please click "Mark As Answer".
SWC Unified Communications

High availability for Lync 2013 persistent chat server and office web app server

I have 1500 users, need HA in primary data center and DR also. looking for HA and DR solution for persistent chat server and office web app server.
is below correct?
1. 2 persistent chat server in a pool of primary data center and 1 in DR. can this be reduced or any changes?
2. 2 Office web app server in a pool of primary data center and 1 in DR. can this be reduced or any changes?
also do i need HLB for both roles?

1) In Lync Server 2013, there are improvements in both high availability and disaster recovery:
High availability improvements: SQL Server mirroring is used to provide high availability for the Persistent Chat Server content database and Persistent Chat compliance database within a data center (in-site).
Disaster recovery improvements: Persistent Chat Server supports a stretched pool architecture that enables a single Persistent Chat Server pool to be stretched across two sites (that is, a single logical pool in the topology, with servers in the pool physically
located across two sites). SQL Server Log Shipping is used for cross-site disaster recovery.
For more information about high availability and disaster recovery, see
Configuring Persistent Chat Server for High Availability and Disaster Recovery in the Deployment documentation.
2) for HA & DR, you can 2 Office web app server in a pool of primary data center and 1 in DR. and You will need HLB for office web app servers
http://blogs.technet.com/b/meamcs/archive/2013/03/27/office-web-apps-2013-multi-servers-nlb-installation-and-deployment-for-sharepoint-2013-step-by-step-guide.aspx
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question, please click "Mark As Answer"
Mai Ali | My blog: Technical | Twitter:
Mai Ali

How do web front ends find the configuration database (moving whole farm to new AD forest)

We are exploring, as a possible course of action, moving our SharePoint 2007 medium farm to a different Active Directory forest (2008). There is a two way transitive trust between the source and target domains.
I have established that with such a trust it's possible to add content databases on a SQL instance in another forest, so moving content is not a big issue; we'd stand up new instances and move them: the user accounts are almost all in the target domain anyway.
However, we have a good deal of customization, including a third-party application that no longer has any support and has historically been appallingly difficult to upgrade/install fresh.
How do web front end servers find the SQL instance containing the configuration database? If the farm credentials had been previously changed to an account in the target domain, all services stopped and the configuration database moved to a new instance
with a DNS alias, would the database appear to be in the same location when SQL and SharePoint services were started on (logically) moved web front ends?

Here is more or less the high-level process for SharePoint 2007:
Mid- to high-level steps.
0. Full farm backup
1. Move users to new domain (in AD). Use stsadm -o migrateuser to migrate the old domain accounts to the new ones in SharePoint
2. Move service accounts to new domain, or create new service accounts
3. Update the farm to use the service accounts in the new domain
stsadm -o updatefarmcredentials (service accounts)
stsadm -o spsearch -farmserviceaccount
stsadm -o spsearch -farmcontentaccessaccount
stsadm -o editssp -ssplogin (for each ssp)
stsadm -o osearch -farmserviceaccount
SSO and any other remaining service accounts (CA -> Ops -> Service Accounts)
Default content access account (SSP -> Search Settings -> Default content access account)
Customizations (if there are service accounts associated with these)
3.5 Manual steps
Application pool accounts
Update permissions for SQL Logins to make sure the new accounts match the permissions for the old accounts
Add the appropriate new accounts to the DCOM IIS WAMREG Admin Service
4. Update the SQL Server service accounts. If SQL Server is shared with other applications you'll want to update the SQL Logins for these other applications as necessary and the SQL Server service accounts (DB Engine, DB Agent, Reporting Services, etc.). Might
not be necessary if this has already been done or if the SQL server is not changing domains.
5. Shut down all services on all servers in the farm (this includes SQL if you are moving to the new domain).
6. Change domain membership of all farm servers, reboot or perhaps shutdown and bring back up in the following order:
1. SQL. Verify SQL Server is running and accessible. Check event logs. Resolve any issues.
2. Central Admin server. Verify CA is accessible, check event logs. Web apps and some services may not be available if they are on servers that are currently turned off. Don't worry about these (yet).
3. Application servers, search servers, index, query, other. It's likely some or all of the WFEs will go on at this step. Verify services are accessible as expected. Check event logs. Resolve issues.
4. Any remaining WFEs. Wash, rinse, repeat.
7. Assuming everything is running as expected, users can access the sites, the sky did not fall, etc. take a full farm backup.
Hey look, here are some low-level steps too.
# updates the account used to run the CA app pool and the timer service
# must be run on the server that hosts CA
stsadm -o updatefarmcredentials -identitytype configurableid -userlogin NEWDOMAIN\farm_service_account -password Password123
# spsearch
stsadm -o spsearch -farmserviceaccount NEWDOMAIN\search_service_account -farmservicepassword Password123 -farmcontentaccessaccount NEWDOMAIN\crawl_service_account -farmcontentaccesspassword Password123
# osearch
stsadm -o osearch -farmcontactemail [email protected] -farmserviceaccount NEWDOMAIN\search_service_account -farmservicepassword Password123
# ssp service accounts
stsadm -o editssp -title SSP -ssplogin NEWDOMAIN\ssp_service_account -ssppassword Password123
# Manual steps
SSP Admin -> Search Settings -> Default Content Access Account
Application pools: CA -> Operations -> Service Accounts -> Web Application Pool (or use gl-updateapppoolaccount if available)
iisreset /noforce
Copy SQL permissions to the new accounts. Not sure why this doesn't happen.
SSP Service Account
Farm Account
Setup Account (not copied because it doesn't own anything, just used to kick off the DB for the other accounts)
Search Service
Add accounts to DCOM not sure why this didn't happen
Component Services -> Computer -> My Computer -> DCOM Config -> IIS WAMREG Service
Farm account
Application pool accounts
Search Service
SSP Service
SSP Admin
Then the fun part. Move the server into the new domain.
Check for AAMs to see if they reference the current domain. If so, change to the new one.
Stop all SP services. Join new domain.
The computer name is a netbios name in SP, this should be painless.
Some general notes from my experience doing this:
1. There is no way to update application pool identities with stsadm (I haven't explored using Powershell). You have to go through CA -> Service Accounts to update these.
2. Some SQL logins and permissions were not created. I compared the permissions before to the permissions after and copied the ones that didn't transfer. This resolved all database access issues.
3. Had to grant permissions for the service accounts in the DCOM configuration for the IIS WAMREG admin service. I expected this to happen automatically but was not surprised given the history of CLSID 61738644-F196-11D0-9953-00C04FD919C1.

Problem with CRM 2011 web front end cluster

Hi.
We have a CRM 2011 (RU17) environment with a SQL DB server and 2 web front end CRM server in a cluster.
Since few days (about 10) it seems that one of the 2 nodes is not working, and since yesterday many users report access problems when calling the application by cluster name - as usual since we deployed CRM 1 year ago.
I tried myself, and I can run the application by cluster name without problems. If it try the separate notes addresses, one of them works, the other doesn't.
I checked the 2 web front end servers, and are (or seem) both properly configured, with all patches installed.
Following the information I got from Event viewer. Any suggestion welcomed!
Many thanks and Best regards
On the 'faulty' server I have different errors at event viewer level:
Faulting application name: Microsoft.Crm.Sandbox.HostService.exe, version: 5.0.9690.4150, time stamp: 0x53559982
Faulting module name: KERNELBASE.dll, version: 6.1.7601.18229, time stamp: 0x51fb1677
Exception code: 0xe0434352
Fault offset: 0x000000000000940d
Faulting process id: 0x6f8
Faulting application start time: 0x01cf8f93aa9a7ff8
Faulting application path: C:\PROGRA~1\MICROS~4\Server\bin\Microsoft.Crm.Sandbox.HostService.exe
Faulting module path: C:\Windows\system32\KERNELBASE.dll
Report Id: f5019a68-fb86-11e3-9f21-005056853970
Application: Microsoft.Crm.Sandbox.HostService.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.Runtime.InteropServices.COMException
Stack:
   at Microsoft.Crm.Sandbox.HostService.InitializeThreadProc(System.Object)
   at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
The Sandbox Host service has encountered an unexpected error and has stopped.
Source: Microsoft.Crm.Sandbox.HostService.exe (1784)
Error: System.Runtime.InteropServices.COMException (0x8007203A): The server is not operational.
   at System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail)
   at System.DirectoryServices.DirectoryEntry.Bind()
   at System.DirectoryServices.DirectoryEntry.get_AdsObject()
   at System.DirectoryServices.PropertyValueCollection.PopulateList()
   at System.DirectoryServices.PropertyValueCollection..ctor(DirectoryEntry entry, String propertyName)
   at System.DirectoryServices.PropertyCollection.get_Item(String propertyName)
   at Microsoft.Crm.SecurityUtils.GetSidFromAD(Guid objectGuid)
   at Microsoft.Crm.Sandbox.SandboxHost.SetPrivilegeUserGroupId(Guid privilegeUserGroupId)
   at Microsoft.Crm.Sandbox.HostService.InitializeThreadProc(Object stateInfo)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
On the 'running' server event viewer I only have one error, related to mail router:
#23379 - Could not verify the version of Microsoft Dynamics CRM at http://alkcg106.d30.intra:5555/AkzoNobelIndustrialCoatings. There was no endpoint listening at http://alkcg106:5555/AkzoNobelIndustrialCoatings/XRMServices/2011/Organization.svc that could
accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details.

Apologize for not having indicated here the resolotion I got thanks to MS support...
We enabled the trace and we got
a http error page stating maxQueryStringLength was insufficient. We changed the maxQueryStringLength and QueryString values in the CRM web.config value to 10240.
We also noticed an error related to the DC being unavailable. We checked in the CRM registry hive and see in the non-working server you had a PreferredDc key pointing to “AMDNAD”. On pinging
AMDNAD we see it is not reachable. We removed the PreferredDc key and after iisreset we can navigate to crm.

Business One and Open Source Web Front-Ends, PHP etc.

Hi there,
I am a complete newbie to all things SAP, so please excuse my ignorance.
I am trying to implement a solution for SAP Business One, including a web front-end for queries and information. The SAP backend is running on a SQL Server, Windows 2000.
The catch is, I won't be running the web front-end off a Windows server. I need to find a solution for an Apache server, running (probably) PHP but could be JSP or any other scripting language to access SAP - but it will be running on a separate server, non-windows.
I have been given examples of people getting access to the DI Server using PHP, but it all involves a call to a COM() function that won't run from anything except a Windows server.
How can I acheive the same result running a PHP page from an OpenBSD or Linux / Apache server? Is the DI Server the right thing to be looking at, or am I going in completely the wrong direction?
Any help would be appreciated.
Thanks,
Nick.

post your question in SAP Business One SDK for better response.
Regards
Raja

Lync phone edition does not try to sign in after the front end server restarts

A restart of the frontend server. None of our Lync Phone Edition CX600 and CX3000 phones will sign back in. If you hit the cancel button and click it will work. This was fixed in a previous CU update but seems to be back again. CX version 4.0.7577.4451.
Any ideas to try. Cant always restart our switches.

Hi,
Please install the update KB3014910 in the link below:
http://support.microsoft.com/en-hk/kb/3014910
The Update resolves the issue: Lync Phone Edition cannot automatically sign in when the primary front-end server that you register is shut down.
If the issue persists, please also try to reset the IP phone and test again.
Best Regards,
Eason Huang
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact [email protected]
Eason Huang
TechNet Community Support

Deploy web application to multiple web front end servers

Hi,
I have a SharePoint farm that include 8 web front end servers and 2 application servers. I have created web application from central administration and during creation I added the public URL to refer to one of the web front end servers.
Now I want to be able to access the same web application from the other web front end servers what shall be done. I have tried to add alternate access mapping but i found that i only have 5 alternatives (Default, Intranet, Extranet,Internet and Custom) while
I need to access it from 8 different sites with the IP or name.
Can anyone tell me what is the best practice for that.
I appreciate the quick response.
Regards,
Ehab
Ehab

I have create my web application under the default port "80" I provided the URL for one of the web frontend servers machine name "http://Machine Name:80/"
For the AAMs that I have created I added some of the machines names of the web frontend servers
Internal URL Zone
Public URL for Zone
http://Machine-Name-01 Default
http://Machine-Name-01
http://Machine-Name-02 Intranet
http://Machine-Name-02
http://Machine-Name-03 Extranet
http://Machine-Name-03
http://Machine-Name-04 Internet
http://Machine-Name-04
http://Machine-Name-05 Custom
http://Machine-Name-05
Ehab

How to Get the Debugger Screen in WEB Front end of SRM

Hi Gurus,
I have couple of questions for SRM.
1. How to Get the Debugger Screen in WEB Front end of SRM so i can debug the application which is running in EBP system??
2. How to set the flag for external debugging (HTTP)??
3. Using SICF how to set the ITS services ( Like BBPSC01 )for internal ITS so as soon as i place the order it should stop at the break point which i have set in the application.
Thanks.
Regards,
Manoj Tiwari

Setting up Debugging for Integrated ITS
Tcode SICF.
Select service (e.g. default_hostàbcàguiàsapàitsàbbpsc01).
Change service settings and insert parameter ~GENERATEDYNDPRO=1.
Find program to debug. E.g. SE93. Enter bbpsc01 à Display and get Program field (SAPLBBP_SC_UI_ITS)
Execute SE38 and enter program name.
Turn HTTP Debugging ON. UtilitiesàSettingsàDebugging. Click Actv and username.
Add HTTP Breakpoint. Display source code and select Utilitiesàbreakpointsàset.
On External Debugging select HTTP Breakpoint.
Remember to remove breakpoints, deactivate debugging and remove parameter GENERATEDYNPRO.
Can run program RSBREAKPOINTS to find which programs you have breakpoints set in.
Have fun with EBP
If you have any more questions i would be happy to help you. Send me mail on [email protected]

High availability for Web front END server

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