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Category: Servers

TLS 1.0

Posted on December 18, 2020 - December 18, 2020 by vrpc

For some reason Microsoft SQL express 2017 and 2019 requires TLS 1.0 during installation.

Here is the registry settings [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0]:

TLS

The same is for Server and Client

Make sure to revert it back to DisableByDefault =1 and Enabled =0

Posted in Servers, Windows

Exchagne 2016 update address books using EMS

Posted on May 2, 2019 - October 23, 2020 by vrpc

Open EMS:
Get-AddressList | Update-AddressList
Get-GlobalAddressList | Update-GlobalAddressList
Get-OfflineAddressBook | Update-OfflineAddressBook


Restart outlook or update outlook offline address book under Send/ Receive Groups:

Posted in Servers, WindowsTagged EMS, Exchange 2016

Fix Cannot get performance counter data

Posted on June 6, 2018 by vrpc

I was receiving management error on my windows 2012 R2 server

 

this is what helped:

  1. to rebuild perf registry using elevated CMD enter: lodctr /R
  2. re register perf libraries: winmgmt /resyncperf

that is what worked for me.

 

reference: http://www.expta.com/2015/08/fix-for-server-manager-error-online.html

 

Posted in ServersTagged management error

Exchange 2016 user mailbox export

Posted on May 22, 2018 - May 22, 2018 by vrpc

using exchange powershell command:

New-MailboxExportRequest -Mailbox UserName -FilePath “\\server\export\username.pst”

Posted in Servers, WindowsTagged Exchange 2016

Wired 802.1x authentication with MS RADIUS server and Meraki switch

Posted on April 5, 2018 by vrpc

Group policy:

 

NPS configuration:

  1. add all switches under RADIUS clients

    You will have to use the same shared secret on switch RADIUS authentication
  2. Create new (or edit existing) Connection Request Policy
    Use all default only add condition NAS Port Type “Ethernet”
  3. Create new Network Policy:



    * under NAS Port Type select ETHERNET

  4. On the Meraki switch access control configure new policy:
  5. Assign the policy to individual ports:
Posted in Network, Servers, WindowsTagged wired 802.1x

Windows server service will not stop

Posted on February 21, 2018 by vrpc

Force quit windows service which failed to stop using service.msc

  1. find service name using service.msc / properties
  2. using command prompt enter sc queryex [servicename] (and note PID number)
  3. enter taskkill /pid [pid number] /f
Posted in Servers, Windows

Outlook 2016 to Exchange 2016 mapi connection problems.

Posted on December 1, 2017 by vrpc

During my exchange 2010 to exchange 2016 migration I run in to outlook connectivity problem which made it impossible to connect.
There are hundreds of similar issues on google unfortunately none of them solved the problem until I found two solutions on separate blogs and combined them and here is my final fix:

  1. Set-MapiVirtualDirectory -identity “exchange2016\mapi (Default Web site)” -IISAuthenticationMethods NTLM
  2. this requires editing Autodiscover and EWS virtual directory using IIS server interface on the exchange 2016 server.
    Remove negotiate provider from Windows Authentication.

 

References:

  1. this is the first blog thanks to which I was able to get outlook 2016 working unfortunately only with exchange cached mode disable.
  2. this is the send blog (last post have the solution) which helped me to get outlook 2016 working on the local LAN and behind the firewall as well as with or without using exchange cached mode.
  3. In addition you need to have MAPI enabled on the exchange 2016 server which is the default but just in case here is the MS link with instructions.
Posted in Servers, WindowsTagged exchange 2010, Exchange 2016, migration

exchange 2010 remove users emails before specific date

Posted on October 20, 2017 by vrpc

If user has a lot of emails which they need to delete here is a command which can help at the server end:

 

Search-Mailbox -Identity “User Name” -SearchQuery “Received:<$(’12/31/2013′)” -DeleteContent

 

ref: https://social.technet.microsoft.com/Forums/exchange/en-US/6114adb8-7e65-46e0-b54f-704ad15ef723/command-to-delete-all-the-items-from-a-mailbox-till-a-specific-date?forum=exchange2010

 

Posted in Servers, WindowsTagged exchange 2010

exchange 2010 failed to create new GAL

Posted on October 6, 2017 by vrpc

error when trying to create new GAL using:

New-GlobalAddresslist “new GAL” –ConditionalCustomAttribute1 “STAFF” –IncludedRecipients “AllRecipients”

WARNING: One or more global address lists were missing from the Active Directory attribute. This is likely caused by
using legacy Exchange management tools to create global address lists.
Active Directory operation failed on server1.domain.local. This error is not retriable. Additional information: The name ref
erence is invalid.
This may be caused by replication latency between Active Directory domain controllers.
Active directory response: 000020B5: AtrErr: DSID-03152C47, #1:
0: 000020B5: DSID-03152C47, problem 1005 (CONSTRAINT_ATT_TYPE), data 0, Att 907ff (globalAddressList2)
+ CategoryInfo : NotSpecified: (0:Int32) [New-GlobalAddressList], ADConstraintViolationException
+ FullyQualifiedErrorId : 8E376CCD,Microsoft.Exchange.Management.SystemConfigurationTasks.NewGlobalAddressList

 

the most likely problem is corupted entry.

This can be tested using power shell script on AD server:


$ad = [ADSI]"LDAP://rootDSE";
$domain = $ad.rootDomainNamingContext;
$obj = New-Object System.DirectoryServices.DirectoryEntry("LDAP://CN=Microsoft Exchange,CN=Services,CN=Configuration,$domain"); 

$count = 0;
$Gals1= $obj.GlobalAddressList;
foreach($g in $Gals1)
{
   $g= $g.ToString().ToLower(); 
   if($g.Contains("cn=deleted objects"))
   {
      Write-Host $g;
      $count= $count +1;  
   }
}

Write-Host "$Count corrupted GAL entries found in property GlobalAddressList";

$count = 0;
$Gals2= $obj.GlobalAddressList2;
foreach($g in $Gals2)
{  
   $g= $g.ToString().ToLower();
   if($g.Contains("cn=deleted objects"))  
   {
      Write-Host $g;          
      $count= $count +1;  
   }
}
Write-Host "$Count corrupted GAL entries found in property GlobalAddressList2";

you will get output something like this:

cn=default global address list\0adel:cc665233-b490-477a-a972-60fdd6d991ef,cn=deleted objects,cn=configuration,dc=domain,dc=
local
1 corrupted GAL entries found in property GlobalAddressList
0 corrupted GAL entries found in property GlobalAddressList2

If you find corrupted entries (make sure to have full system backup) you will have to remove them using ADSI edit on domain controller.

Using ADSI edit connect to configuration:

configuration\ Services\ Microsoft Exchange (right click / properties)

depending on the listed corruption look for GlobalAddressList or GlobalAddressList2 and click edit.

Remove corrupted entries.

This helped me to fix creating new GAL.

 

reference:

https://social.technet.microsoft.com/Forums/exchange/en-US/52854856-f517-4827-b3d3-3e589a422672/exchange-2010-sp-2-cant-create-second-gal?forum=exchange2010hosters

https://social.msdn.microsoft.com/Forums/en-US/3210af54-d8b4-490f-9f5f-f4fc3209d324/newglobaladdresslist-fails-ad44a06f?forum=os_exchangeprotocols&forum=os_exchangeprotocols

 

https://www.experts-exchange.com/articles/12458/Failed-to-create-New-Global-Address-List-on-Exchange-2010.html

 

Posted in Servers, WindowsTagged exchange 2010, GAL

DeployStudio workflow with auto-join Active Directory

Posted on August 31, 2017 - August 31, 2017 by vrpc

After creating master image create workflow with these steps:

1:

restore HDD from MacBookAir2017.hfs.dmg disk image.

 

2:

Rename computer:

 

3:

Prompt for computer name during setup

 

4:

auto join computer to MS Active Directory.

 

5:

auto join computer to Open Directory Server.

Posted in Apple, Servers, ToolsTagged AD, DeployStudio, MAC

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