On the Citrix Web Interface, one ICA file is used as a template for ICA file creation, default.ica. I edited this file to check what was in :

Code block

[WFClient]
COMAllowed=Off
CPMAllowed=On
ClientName=
KeyboardTimer=50
MouseTimer=10
OutBufCountClient=118
OutBufCountHost=118
OutBufLength=512
PersistentCacheEnabled=On
ProxyFavorIEConnectionSetting=Yes
ProxyTimeout=30000
ProxyUseFQDN=Off
RemoveICAFile=yes
TransparentKeyPassthrough=Local
TransportReconnectEnabled=On
UpdatesAllowed=Off
VSLAllowed=On
Version=2
VirtualCOMPortEmulation=Off

In the WFClient (section bellow) I found the line KeyboardTimer=50 which mean at the end of the specified time period the keyboard data are sent to the server. I didn’t wanted to modify this value without beeing able to test it before, so I right clicked on the published Remote Desktop icon to download the launch.ica file (generated with the defgault.ica and the 50ms value) saved it and the edited it changing the keyboardTimer value to 25 then 15 then 10 and finnaly 5. I had the issue until the last value 5ms tested.

Now I need to make some more test to check if the bandwith consumed is really highter compare with the 50ms default value. I will update this post with the statistics result (Edgesight)

Update : 1st July 2010

I’ve used Citrix Edgesight to check what’s going on while I run some test toward ICA Session Traffic and ICA Session I/O. To run this test I created a script which open notepad and type a text (about 30/40 lines) so the same text input will be use for all the tested values.

I made this test with KeyboardTimer=50 (default), KeyboardTimer=25 and KeyboardTimer=5 and here are the results :

I did blank the “non needed” data to avoid confusion and as you might notice, there is not a huge difference between these different values. I decided to commit the change for wan users and I will check in deeper statistics will real usage on weeks/month, before/after the change.

I wanted to blog this issue because this is an annoying one and you might search a long time around the mstsc configuration, registry tips and tunning before finding out this was the KeyboardTimer value in the default.ica file on the Citrix WebInterface. You can also add the line KeyboardTimer=## (your value) to your WFCLIENT.INI file in your user profile directory, it should make the trick if you don’t want to commit this change for everyone using the WebInterface.

Sources : http://support.citrix.com/article/CTX103444

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A typical data upload size for an EdgeSight for Endpoints agent is 80KB. EdgeSight for XenApp agent data uploads are typically larger due to the greater amount of data collected and can reach 300KB. These data upload sizes depend on a number of factors such as the agent properties and the usage profile of the system hosting the agent.

From Edgesight Admin guide page 22.

Of course it depend how your worker are configured and what data you need to collect. I’m still trying to figure our how to calculate the amount of data transferred from agents to the web server, this is a complex calculation and it take a lot of time for something Citrix should provide.

So architecture for large environment is the same as the one you could watch in the previous blog – Citrix Edgesight architecture scenario – part 1/2 – except you need to split database and EdgeSight server. Only one Citrix license server and you can also keep one SQL Reporting Services for both Edgesight servers.

This configuration means you need to configure agents with a different http address, for example, at one customer I had 4000 XenApp servers and 5000 Endpoint agents, so I choose to split Endpoint agents on one Edgesight server and all XenApp on the other. This is not very handy when you want to check from XenApp servers to the endpoint statistics, but this is the way it is for now.  By multiplying EdgeSight environment, complexity is getting stronger and find the good information is sometimes a matter of hours instead of minutes…

What Citrix should consider for the future of Edgesight :

• Stop to check Citrix licenses on the Edgesight Servers, only agents is enough I think, then we would be able to load balance Edgesight Servers and SQL Reporting Services servers, spliting wouldn’t be necessary.
• Since we don’t have Resource manager anymore, consider to bring at least the same level of information in EdgeSight we had with RM with the Advanced license.
• Make available a complete EdgeSight database diagram.
• Provide a simple tool to build 1,2,3 custom report.
• Correct these annoying bug : When a Desktop is publish, no statistics are recorded, this is the same for an application with an argument in the command line…

Useful Links :
EdgeSight Wikipedia
EdgeSight Forums

EdgeSight Under The Hood

Since Ressource Manager (RIP) disappear with Citrix XenApp 6, Edgesight became a mandatory tool to have the big picture of your XenApp farms health. It’s of course a lot more than that with Platinum licenses, this will be the subject for another blog. This blog focuses on Citrix Edgesight 5.3.

Important notes regarding supported database :

SQL Server 2008 (Standard or better) or SQL Server 2005 SP2 or later (Standard or better). Note that SQL Server 2008 R2 is not supported,
Important: Note the following configuration requirements:
In SQL Server 2008, the Reporting Services Role called Manage Shared Schedules no longer exists as a stand-alone role; it is now part of the System Administrator Role. For more information, see Configuring Reporting Services for Citrix EdgeSight.
SQL Server must be configured for case-insensitive collation. Case-sensitive collation is not currently supported for this release.
SQL Server should be configured to use Windows Authentication or Mixed-Mode Authentication.
Reporting Services is included with SQL Server 2008 and SQL Server 2005. Reporting Services can be installed on a separate machine from the data source.
SQL Agent Service running and set to start automatically (if Reporting Services is installed on the machine)

First when you need to practice and want to check out what is Citrix Edgesight, you can easily setup a VM with Microsoft Windows 2008 R2 x64, install SQL 2008 and its SP1 with Reporting Services. Then you can configure Internet Information Services (IIS) to host Edgesight’s website and install the Citrix License Server as well on the same machine. Keep in mind this is for Proof Of Concept only and shouldn’t be used in Production environment.

Before going further you need to estimate the Edgesight SQL Database size regarding the number of agent deployed. Couple of year ago I had to request the mathematics law to Citrix support to know about that; now there is a tool EdgeSight Database Size Estimation Tool this is a Excel sheet witch estimate automatically the requested database size needed regarding the number of XenApp agent and Endpoint agent to deploy (See the screenshot bellow)

For Small and Medium business, you can watch bellow, the typical architecture I choose to deliver. When you plan a deployment in Production,  you need to think about your DR and backup plan : Backing up the Database and custom reports stored on the Reporting Services are recommended. If you can restore the Database and upload your custom report back, it will be very fast to install the Citrix Edgesight Website and running Citrix Edgesight after a crash. Don’t think about deploying two Edgesight websites on two different servers with a DNS alias or NLB, the only result you will have is twice more licenses used.

With this scenario, I announce 1000 XenApp Agents and 500 Endpoint Agents can be handle very smoothly and Citrix announces beeing able to support 6000 agents with this architecture design.

Part. 2, Citrix Edgesight for Large deployment and traffic generated understanding.

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Impacted applications :

All java applications using more than 706mb of reserved memory, command line example :

 c:\Progra~1\Java\jre1.5.0_07\bin\javaw -Xms8m -Xmx1024m -Dcai.starter.jvm.options=”-Xms8m -Xmx1024m” -classpath d:\xxxxxxxxxxxxx

Visual Studio 2008 Pro SP1 x64 crashes when Citrix Edgesight 5.2SP1 is installed, process CL.exe.

Reminder :

-Xmsn
Specify the initial size, in bytes, of the memory allocation pool. This value must be a multiple of 1024 greater than 1MB. Append the letter k or K to indicate kilobytes, or m or M to indicate megabytes. The default value is 2MB.      

-Xmxn
Specify the maximum size, in bytes, of the memory allocation pool. This value must a multiple of 1024 greater than 2MB. Append the letter k or K to indicate kilobytes, or m or M to indicate megabytes. The default value is 64MB. 

Affected system : Microsoft Windows 2003 R2 Sp2 x32 with Citrix Presentation Server 4 HR5

Error message :

Or

Code block

C:\Program Files\Java\jre1.5.0_07\bin>java.exe -Xmx1024M -version
Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.

Even if the Presentation Server all have 4Gb of ram,  and freshly rebooted (567mb memory occupation) the java application doesn’t want to start. I first uninstall Citrix Edgesight, and checked everything was fine, it was fine with prior Edgesight for XenApp’s version.

Someone had the same issue, only one person posted this issue with a java application on Citrix’s forums : http://forums.citrix.com/thread.jspa?threadID=261266&tstart=0 

About the Visual Studio 2008 SP1 x64 the process CL.exe seems the one to exclude to make it work.

Workaround :

To avoid EdgeSight for XenApp agent “blocking” a process, you need to hade the executable program to the following registry key :

Code block

HKLM\SYSTEM\CurrentControlSet\Services\rskcore 
 
Key : UviProcessExcludes
 
Value : "rotatelogs.exe;java.exe;javaw.exe;cl.exe" (for my case)

You need to keep in mind, adding file to this registry key excluding them from statistics (information to confirm)

Update 30 march 2010 : There is no fix yet for this issue, Edgesight for XenApp 5.3 next version should include the fix, but not before Q2 2010…

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What’s new ?

• Monitoring of Citrix License Servers and reporting on license usage by product group or individual products. The license servers to be monitored are specified at Configure > License Monitor Configuration > License Servers. License usage reports are available on the Track Usage tab.
• Monitoring of Published Applications and reporting on application launches and unique users. Published application reports are available on the Track Usage tab and the Browse tab.
• Monitoring of session duration by farm or user group. Session duration reports are available on the Track Usage tab and the Browse tab.
• EdgeSight Agent support for XenApp 6

Warning : if you have a SQL 2000 database, you need to upgrade to SQL 2005 or SQL 2008 !

So here are some screen shot about the new tab with the two licenses nodes :

It looks very nice, but you cannot subscribe these license reports to generate an automatic email (yet)…

There still an annoying bug with the filter option on many pop-up pages… The problem is, if you don’t know there is a filter button outside the actual windows you can reach while playing with tab key, you cannot apply your filter… It has always been here in Edgesight 5.x versions… (I will post more detail about that tomorrow)

Next blog about Edgesight will be all architecture I’ve deployed for different customers

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In Event Logs

Type: Error
Event Source: Citrix System Monitoring Agent
Event Category: None
Event ID: 34
Date: 16/10/2009
Time: 09:49:32
User: AUTORITE NT\SYSTEM
Computer: EMCXPA000
Description:
The Citrix System Monitoring Agent was unable to startup. Please consult the Sys_event_txt.txt agent log in your data directory for details.

Click on read more to continue

Then :
Event Type: Error
Event Source: Citrix System Monitoring Agent
Event Category: None
Event ID: 22
Date: 16/10/2009
Time: 09:49:37
User: AUTORITE NT\SYSTEM
Computer: EMCXPA000
Description:
The Citrix System Monitoring Agent has attempted to recover from a database error but was unable to do so.

The when I go to check the Sys_event_txt.txt log file :

2009-10-16 09:49:32 Core                     Service                  —– Starting Agent on EMCXPA000 version 5.2.2183.0 —–
2009-10-16 09:49:32 Core                     Service                  Current service state is ‘START_PENDING’
2009-10-16 09:49:32 Core                     Collector                Starting…
2009-10-16 09:49:32 Core                     Collector                Database connection is local.
2009-10-16 09:49:32 Core                     RSI                      RsiProduct (Core): successfully opened rsi file: M:\Program Files\Citrix\System Monitoring\Agent\Core\Core.rsi
2009-10-16 09:49:32 Core                     RSI                      RsiProductDatabase (Core): State=UNKNOWN Unable to open database. Error querying database service: 20 | I/O error for file “aliases.conf” | Error while trying to open file | The data is invalid.
2009-10-16 09:49:32 Core                     Collector                Failed (4313) to initialize product: M:\Program Files\Citrix\System Monitoring\Agent\Core\Core.rsi
2009-10-16 09:49:32 Core                     Collector                Error initializing MPACollector. hr: 0×80004005
2009-10-16 09:49:32 Core                     Collector                —– Core Collector Failed to Start —–
2009-10-16 09:49:32 Core                     CSM Update               ~~~~~ Started Citrix System Monitoring Update and Maintenance ‘/s /t /v /md’ ~~~~~
2009-10-16 09:49:32 Core                     Service                  Unable to initialize collector
2009-10-16 09:49:32 Core                     CSM Update               Shutting down the Citrix System Monitoring Agent
2009-10-16 09:49:32 Core                     Service                  Shutting down collector…
2009-10-16 09:49:32 Core                     CSM Update               Failed to shutdown service rscorsvc.  Error=1052
2009-10-16 09:49:32 Core                     Service                  Current service state is ‘STOPPED’
2009-10-16 09:49:32 Core                     CSM Update               Service state for rscorsvc is ‘START_PENDING’
22009-10-16 09:50:08 Core                     CSM Update               Error querying database service: 21 | I/O error for file “RSDatr.fdb” | Error while trying to write to file | The operation completed successfully.
2009-10-16 09:50:09 Core                     CSM Update               Error querying database service: 23 | I/O error for file “RSDatr.fdb” | Error while trying to delete file | The operation completed successfully.
2009-10-16 09:50:09 Core                     CSM Update               ~~~~~ Completed Citrix System Monitoring Update and Maintenance ~~~~~

The file RSDatr.fdb isn’t created and Firebird Service is running. I don’t have this issue on servers without remapped drives…
As usual I started a thread on Citrix’s forum : http://forums.citrix.com/thread.jspa?threadID=253736&tstart=0

19 October 2009 – A quick update :

Installing Edgesight agent berfore deploying any application works, but it doesn’t work after full deployment. I’m looking for the component which bring this issue.

Here is my environment : Windows 2008 SP2 with MUI pack installed and Citrix XenApp 5 with latest hotfixes and Citrix Edgesight XenApp Agent 5.1 . I get this error when I open a console on the XenApp servers and it seems to popup in some user’s session…

Click on read more to continue…

Problem signature:  

Problem Event Name: BEX
Application Name: CtxHide.exe
Application Version: 5.0.0.5357
Application Timestamp: 48a7429b
Fault Module Name: apphelp.dll
Fault Module Version: 6.0.6002.18005
Fault Module Timestamp: 49e036f3
Exception Offset: 000012a5
Exception Code: c0000005
Exception Data: 00000008
OS Version: 6.0.6002.2.2.0.16.7
Locale ID: 1036
Additional Information 1: fd00
Additional Information 2: ea6f5fe8924aaa756324d57f87834160
Additional Information 3: fd00
Additional Information 4: ea6f5fe8924aaa756324d57f87834160

Read our privacy statement:
http://go.microsoft.com/fwlink/?linkid=50163&clcid=0×0409

And in the system’s event log :

Log Name:      Application
Source:        Application Error
Date:          29/09/2009 14:40:59
Event ID:      1000
Task Category: (100)
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      EMCXPA1031.emea.cib
Description:
Faulting application CtxHide.exe, version 5.0.0.5357, time stamp 0x48a7429b, faulting module apphelp.dll, version 6.0.6002.18005, time stamp 0x49e036f3, exception code 0xc0000005, fault offset 0x000012a5, process id 0x18a0, application start time 0x01ca410218e4f98f.
Event Xml:
<Event xmlns=”http://schemas.microsoft.com/win/2004/08/events/event“>
<System>
<Provider Name=”Application Error” />
<EventID Qualifiers=”0″>1000</EventID>
<Level>2</Level>
<Task>100</Task>
<Keywords>0×80000000000000</Keywords>
<TimeCreated SystemTime=”2009-09-29T12:40:59.000Z” />
<EventRecordID>3694</EventRecordID>
<Channel>Application</Channel>
<Computer>EMCXPA1031.emea.cib</Computer>
<Security />
</System>
<EventData>
<Data>CtxHide.exe</Data>
<Data>5.0.0.5357</Data>
<Data>48a7429b</Data>
<Data>apphelp.dll</Data>
<Data>6.0.6002.18005</Data>
<Data>49e036f3</Data>
<Data>c0000005</Data>
<Data>000012a5</Data>
<Data>18a0</Data>
<Data>01ca410218e4f98f</Data>
</EventData>
</Event>

I found some guys who have exactly the same issue and it seems MUI related, the thread on the Citrix’s forum is here : http://forums.citrix.com/thread.jspa?messageID=1409280 .

Update 01 October 2009 10:00am :

I got a dump of this crash :

*******************************************************************************
*                                                                             *
*                        Exception Analysis                                   *
*                                                                             *
*******************************************************************************

Unable to load image c:\Program Files (x86)\Citrix\System32\ctxhide.exe, Win32 error 0n2
*** WARNING: Unable to verify timestamp for ctxhide.exe
Unable to load image C:\Windows\System32\csma_ldr32.dll, Win32 error 0n2
*** WARNING: Unable to verify timestamp for csma_ldr32.dll
*** ERROR: Module load completed but symbols could not be loaded for csma_ldr32.dll
*************************************************************************
***                                                                   ***
***                                                                   ***
***    Your debugger is not using the correct symbols                 ***
***                                                                   ***
***    In order for this command to work properly, your symbol path   ***
***    must point to .pdb files that have full type information.      ***
***                                                                   ***
***    Certain .pdb files (such as the public OS symbols) do not      ***
***    contain the required information.  Contact the group that      ***
***    provided you with these symbols if you need this command to    ***
***    work.                                                          ***
***                                                                   ***
***    Type referenced: kernel32!pNlsUserInfo                         ***
***                                                                   ***
*************************************************************************
*************************************************************************
***                                                                   ***
***                                                                   ***
***    Your debugger is not using the correct symbols                 ***
***                                                                   ***
***    In order for this command to work properly, your symbol path   ***
***    must point to .pdb files that have full type information.      ***
***                                                                   ***
***    Certain .pdb files (such as the public OS symbols) do not      ***
***    contain the required information.  Contact the group that      ***
***    provided you with these symbols if you need this command to    ***
***    work.                                                          ***
***                                                                   ***
***    Type referenced: kernel32!pNlsUserInfo                         ***
***                                                                   ***
*************************************************************************

FAULTING_IP:
apphelp!__security_check_cookie+0
732012a5 3b0d00802273    cmp     ecx,dword ptr [apphelp!__security_cookie (73228000)]

EXCEPTION_RECORD:  ffffffff -- (.exr 0xffffffffffffffff)
ExceptionAddress: 732012a5 (apphelp!__security_check_cookie)
   ExceptionCode: c0000005 (Access violation)
  ExceptionFlags: 00000000
NumberParameters: 2
   Parameter[0]: 00000008
   Parameter[1]: 732012a5
Attempt to execute non-executable address 732012a5

PROCESS_NAME:  ctxhide.exe

ERROR_CODE: (NTSTATUS) 0xc0000005 - The instruction at "0x%08lx" referenced memory at "0x%08lx". The memory could not be "%s".

EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at "0x%08lx" referenced memory at "0x%08lx". The memory could not be "%s".

EXCEPTION_PARAMETER1:  00000008

EXCEPTION_PARAMETER2:  732012a5

WRITE_ADDRESS:  732012a5

FOLLOWUP_IP:
apphelp!__security_check_cookie+0
732012a5 3b0d00802273    cmp     ecx,dword ptr [apphelp!__security_cookie (73228000)]

AUTOBUG_USER_LCID_STR:  ENU

AUTOBUG_OS_SKU:  7

NTGLOBALFLAG:  0

APPLICATION_VERIFIER_FLAGS:  0

FAULTING_THREAD:  00001ab8

BUGCHECK_STR:  APPLICATION_FAULT_SOFTWARE_NX_FAULT_FALSE_POSITIVE_SOFTWARE_NX_FAULT

PRIMARY_PROBLEM_CLASS:  SOFTWARE_NX_FAULT_FALSE_POSITIVE

DEFAULT_BUCKET_ID:  SOFTWARE_NX_FAULT_FALSE_POSITIVE

LAST_CONTROL_TRANSFER:  from 732092d1 to 732012a5

STACK_TEXT:
0027ee8c 732092d1 00000000 00000000 00001521 apphelp!__security_check_cookie
0027f0fc 73209571 000001a8 00000000 00000000 apphelp!InternalCheckRunApp+0x5a3
0027f158 76a6bad7 000001a8 00000000 00000000 apphelp!ApphelpCheckRunAppEx+0x91
0027f1c0 769f69e8 00000000 000001a8 00342ee0 kernel32!BasepSkipSetupShims+0x1db
0027f20c 769f698e 00000000 000001a8 00342ee0 kernel32!BaseCheckRunApp+0x46
0027f250 769f690a 00000000 000001a8 00342ee0 kernel32!BasepCheckBadapp+0x6e
0027f29c 76a0d7fc 00000000 00000000 00000000 kernel32!BasepQueryAppCompat+0x60
0027f8dc 769e0c3b 00000000 00000000 002b128a kernel32!CreateProcessInternalW+0x1346
0027f914 664a16cc 00000000 002b128a 00000000 kernel32!CreateProcessW+0x2c
0027f9c0 664a188b 664a0000 00000000 002b2974 ctxhide!WinMain+0x1fc
0027fa50 76a5eccb 7efde000 0027fa9c 775fd24d ctxhide!NtCurrentTeb+0x192
0027fa5c 775fd24d 7efde000 6286a6a9 00000000 kernel32!BaseThreadInitThunk+0xe
0027fa9c 775fd45f 664a1a68 7efde000 ffffffff ntdll!__RtlUserThreadStart+0x23
0027fab4 00000000 664a1a68 7efde000 00000000 ntdll!_RtlUserThreadStart+0x1b

STACK_COMMAND:  ~0s; .ecxr ; kb

SYMBOL_STACK_INDEX:  0

SYMBOL_NAME:  apphelp!__security_check_cookie+0

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: apphelp

IMAGE_NAME:  apphelp.dll

DEBUG_FLR_IMAGE_TIMESTAMP:  49e036f3

FAILURE_BUCKET_ID:  SOFTWARE_NX_FAULT_FALSE_POSITIVE_c0000005_apphelp.dll!__security_check_cookie

BUCKET_ID:  APPLICATION_FAULT_SOFTWARE_NX_FAULT_FALSE_POSITIVE_SOFTWARE_NX_FAULT_apphelp!__security_check_cookie+0

WATSON_STAGEONE_URL:  http://watson.microsoft.com/StageOne/ctxhide_exe/5_0_0_5357/48a7429b/apphelp_dll/6_0_6002_18005/49e036f3/c0000005/000012a5.htm?Retriage=1

Followup: MachineOwner
---------

0:000> lmvm apphelp
start    end        module name
73200000 7322c000   apphelp    (pdb symbols)          C:\Program Files\Debugging Tools for Windows (x86)\sym\apphelp.pdb\106D8ED641E04B8680350C1D3E541ADF2\apphelp.pdb
    Loaded symbol image file: apphelp.dll
    Mapped memory image file: C:\Program Files\Debugging Tools for Windows (x86)\sym\apphelp.dll\49E036F32c000\apphelp.dll
    Image path: C:\Windows\System32\apphelp.dll
    Image name: apphelp.dll
    Timestamp:        Sat Apr 11 08:21:39 2009 (49E036F3)
    CheckSum:         0002C264
    ImageSize:        0002C000
    File version:     6.0.6002.18005
    Product version:  6.0.6002.18005
    File flags:       0 (Mask 3F)
    File OS:          40004 NT Win32
    File type:        2.0 Dll
    File date:        00000000.00000000
    Translations:     0409.04b0
    CompanyName:      Microsoft Corporation
    ProductName:      Microsoft® Windows® Operating System
    InternalName:     Apphelp
    OriginalFilename: Apphelp
    ProductVersion:   6.0.6002.18005
    FileVersion:      6.0.6002.18005 (lh_sp2rtm.090410-1830)
    FileDescription:  Application Compatibility Client Library
    LegalCopyright:   © Microsoft Corporation. All rights reserved.

 

There is no fix until now even in limited hotfixes. Stay tune !

Edit 16 October 2009 : Kegan gave the tip and it seems to fix this issue. With Edgesight XenApp agent updated to 5.2 this issue disapear. I have try to open 40 or 50 session without beeing able to see this error yet. Thanks Kegan !

But I still don’t understand why this issue appear and why apphelp.exe is involve…

Part 1 : Making Citrix Stats Work for You Part 1
Part 2 : Making Citrix Stats Work for You Part 2
Part 3 : Making Citrix Stats Work for You Part 3
Part 4 : Making Citrix Stats Work for You Part 4
Part 5 : Making Citrix Stats Work for You Part 5
Part 6 : Making Citrix Stats Work for You Part 6

Click on continue reading to watch the video :

(Please open the article to see the flash file or player.)

Once the setup is done, as I’m in nlb mode, I have to upload new templates and reports on both machines, so I change the nlb name with the two servers name and updating everything.

Don’t forget to update you XenApp Edgesight Client and you Endpoint Edgesight client as well.

I have install two Edgesight web server (Esx nlb) and two SQL Reporting Services server (Esx nlb too) with a database store on a SQL 2005 cluster.

I didn’t had the hand on the setup of the two nlb so things where a bit hard to understand since there is quiet a lot of issue and things to do to enable two VMWare ESX nlb communication. (I’m still working on it, any informations are welcome )

I will update this post everytime I will have an error, I hope it will help some of you.

• Error : Setup was unable to locate the requiered SQL Server Client Tools. The SQL Server Client Tools can usually be located on the SQL Server installation disk.

You just have to install client components of SQL Server 2005 (or 2008) and RTM first

• You must have database and SQL Login creation rights on the server.

This message means the credentials choose to create / access database needs to have sysadmin rights on the database server, I still hevn’t understand why but still.

 

• Error -2147217900: failed to execute SQL string, error detail: MODIFY FILE encountered operating system error 112(There is not enough space on the disk.) [...]

 

This error message happen when you don’t have enough space where you choose to record SQL data. I think that would me near the same for log space.

 

• The report server address used to communicate with Reporting Services is invalid

This message will occure when your SQL Reporting is not reachable. I had this issue until my SQL Reporting Services ESX nlb works very fine.

• Error publishing reports: Server was unable to process request. —> Timeout expired.

This is a typical message when a timeout occure when you’re uploding templates to the SQL Reporting Services.