MS Exchnage 2010 error log- MSexchange common, Event ID 106

Recently we moved the mail box role from our exchange 2010 single server to another ex2010.  Both servers are in vertulized with VMware, in an IBM storage. Now on the old server (CAS, Hub Transport only), I am getting the following error,

Performance counter updating error. Counter name is Explicit Sign-On Inbound Proxy Sessions - Total, category name is

MSExchange Control Panel. Optional code: 3. Exception: The exception thrown is : System.InvalidOperationException: The

requested Performance Counter is not a custom counter, it has to be initialized as ReadOnly.
   at System.Diagnostics.PerformanceCounter.Initialize()
   at System.Diagnostics.PerformanceCounter.set_RawValue(Int64 value)
   at Microsoft.Exchange.Diagnostics.ExPerformanceCounter.set_RawValue(Int64 value)
Last worker process info : System.ArgumentException: Process with an Id of 2224 is not running.
   at System.Diagnostics.Process.GetProcessById(Int32 processId, String machineName)
   at Microsoft.Exchange.Diagnostics.ExPerformanceCounter.GetLastWorkerProcessInfo()
Processes running while Performance counter failed to update:
1772 Microsoft.Exchange.ProtectedServiceHost
392 ccSvcHst
2952 Microsoft.Exchange.EdgeSyncSvc
2752 Microsoft.Exchange.AddressBook.Service
2552 Rtvscan
2156 SMSvcHost
972 Smc
772 LogonUI
4908 svchost
5688 conhost
564 w3wp
2336 Locator
560 SMSMSEMgmtSrv
944 svchost
2716 svchost
3500 w3wp
344 csrss
2312 svchost
1128 svchost
5852 CmafReportSrv
2892 Microsoft.Exchange.AntispamUpdateSvc
1512 MSExchangeADTopologyService
4072 w3wp
520 lsm
512 lsass
1448 inetinfo
1688 Microsoft.Exchange.Monitoring
1096 msdtc
504 services
700 svchost
1092 MSExchangeMailboxReplication
1288 spoolsv
2072 conhost
884 svchost
3044 MsExchangeFDS
2056 EdgeTransport
2644 vmtoolsd
1264 MSExchangeTransportLogSearch
1412 svchost
836 svchost
3424 WmiPrvSE
3888 w3wp
4840 TranscodingService
1836 Microsoft.Exchange.RpcClientAccess.Service
5772 w3wp
3492 w3wp
792 svchost
252 svchost
444 winlogon
1624 exfba
6728 ConsoleAppMgr
240 smss
5556 SMSUtilityService
624 svchost
2396 SAVFMSETask
3576 svchost
5564 conhost
400 wininit
408 csrss
4740 svchost
1980 MSExchangeTransport
6704 conhost
4 System
1912 Microsoft.Exchange.ServiceHost
4532 w3wp
0 Idle
Performance Counters Layout information: FileMappingNotFoundException for category MSExchange Control Panel :

Microsoft.Exchange.Diagnostics.FileMappingNotFoundException: Cound not open File mapping for name : Global

\netfxcustomperfcounters.1.0msexchange control panel
   at Microsoft.Exchange.Diagnostics.FileMapping.OpenFileMapping(String name, Boolean writable)
   at Microsoft.Exchange.Diagnostics.FileMapping..ctor(String name, Boolean writable)
   at Microsoft.Exchange.Diagnostics.PerformanceCounterMemoryMappedFile.Initialize(String fileMappingName, Boolean

   at Microsoft.Exchange.Diagnostics.ExPerformanceCounter.GetAllInstancesLayout(String categoryName)

Note: The existing old server was migrated form ex2003.
Zacharia KurianAdministrator- Data Center & NetworkAsked:
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Zacharia KurianConnect With a Mentor Administrator- Data Center & NetworkAuthor Commented:
I really banged my head and finally got the solution from the below post;

No the errors stopped on the server which has only CAS & HUB.
Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
What events occur immediately before and after this event may provide more information about the root cause of this error

Was there some updates done to this server for CAS role ?
Did you run EXBPA to check if it reports something related to this issue ?

- Rancy
Zacharia KurianAdministrator- Data Center & NetworkAuthor Commented:
no errors or warning before or after this. This what I have done;

Updated it with SP3.
Installed another server with Mail box role.
Moved all the mailboxes, public folders to the new server.
Moved all the arbitration mailboxes to the new server.
Cross checked if anything related mail box role is still exists in the server. Once confirmed all, uninstalled the mail box role and rebooted the server.

Please note that the servers are in VM, in an IBM storage.

Yes I run EXBPA and the only message is as follows;

Disk timeout on server  is not set at the default of 10 seconds. This is normal if third-party storage software is installed. Current timeout value is 60 seconds
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
I have seen if there is a server with only mailbox role and not CAS then this even is quiet common .... MS article

- Rancy
Zacharia KurianAdministrator- Data Center & NetworkAuthor Commented:
do you have the MS article link? Do you mean to say it is quite normal and can be ignored?
Please confirm.

Thank you.
Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Event ID 106 is logged when you start the RPC Client Access service on Exchange Server 2010

Check this column CAUSE
Zacharia KurianAdministrator- Data Center & NetworkAuthor Commented:
Thank you for the link. But I am getting the errors on the server, which has CAS & HUB. My other server which has only Mail Box Role, doesn't throw any errors.
Zacharia KurianAdministrator- Data Center & NetworkAuthor Commented:
a few thoughts/findings;

In my server where I am getting errors (has only CAS & HUB), i could not find the registry key as  "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ESE"

I was reading a post on

where it says to have a look on the above registry key.  Now my questions is this, should I export the above key from my other server where it has only mailbox role and can import to the server which has the errors?
Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Take a registry backup then Export and Import into CAS server and restart and check

- Rancy
Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Good to know and Thanks for sharing :) .... you can close the post too now

- Rancy
Zacharia KurianAdministrator- Data Center & NetworkAuthor Commented:
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