You can optionally also specify a witness server and witness directory. You can specify only a name for the DAG, and leave the Witness server and Witness directory fields blank.
For example, consider the witness server CAS3 on which the operating system has been installed onto drive C. You can specify a name for the DAG, the witness server that you want to use, and the directory you want created and shared on the witness server. You can specify a name for the DAG and the witness server that you want to use, and leave the Witness directory field blank. In this scenario, the wizard creates the default directory on the specified witness server.
You can specify a name for the DAG, leave the Witness server field blank, and specify the directory you want created and shared on the witness server. In this scenario, the wizard searches for a Client Access server that doesn't have the Mailbox server installed, and it automatically creates the specified DAG on that server, shares the directory, and uses that Client Access server as the witness server. When this change occurs, the DAG's cluster begins using the witness server for maintaining quorum.
If the witness directory doesn't exist, Exchange automatically creates it, shares it, and provisions the share with full control permissions for the CNO computer account for the DAG. If Windows Firewall is enabled on the witness server and there are no firewall exceptions configured for WMI, the New-DatabaseAvailabilityGroup cmdlet fails with an error.
If you specify a witness server, but not a witness directory, you receive the following error message. Please manually specify a witness directory. If you specify a witness server and witness directory, you receive the following warning message. Until this problem is corrected, the database availability group may be more vulnerable to failures. You can use the Set-DatabaseAvailabilityGroup cmdlet to try the operation again.
Error: The network path was not found. If Windows Firewall is enabled on the witness server after the DAG is created but before servers are added, it may block the addition or removal of DAG members. If Windows Firewall is enabled on the witness server and there are no firewall exceptions configured for WMI, the Add-DatabaseAvailabilityGroupServer cmdlet displays the following warning message.
Manually create the witness directory and share on the witness server, and assign the CNO for the DAG full control for the directory and share. For detailed steps about how to manage DAG membership, see Manage database availability group membership. As a result, at any one time, a Mailbox server can be a member of only one DAG. If the Mailbox server being added to a DAG doesn't have the failover clustering component installed, the method used to add the server for example, the Add-DatabaseAvailabilityGroupServer cmdlet or the Manage Database Availability Group wizard installs the failover clustering feature.
A failover cluster is created using the name of the DAG. Use of the cluster for any other purpose isn't supported. If this Active Directory object isn't replicated throughout your environment, adding the second server may cause a new cluster and new CNO to be created for the DAG. To verify that the DAG object containing the first DAG server has been replicated, use the Get-DatabaseAvailabilityGroup cmdlet on the second server being added to verify that the first server you added is listed as a member of the DAG.
The quorum model change should happen automatically. However, if the quorum model doesn't automatically change to the proper model, you can run the Set-DatabaseAvailabilityGroup cmdlet with only the Identity parameter to correct the quorum settings for the DAG.
The cluster's Name resource is tied to the CNO, which is a Kerberos-enabled object that acts as the cluster's identity and provides the cluster's security context. The Microsoft Exchange Replication service installs the failover clustering feature if it isn't already installed and begins the cluster creation process. In environments where computer account creation is restricted, or where computer accounts are created in a container other than the default computers container, you can pre-stage and provision the CNO.
You create and disable a computer account for the CNO, and then either:. Assign full control of the computer account to the computer account of the first Mailbox server you're adding to the DAG. For detailed steps about how to pre-stage and provision the CNO for a DAG, see Pre-stage the cluster name object for a database availability group. Before a Mailbox server can be removed from a DAG, all replicated mailbox databases must first be removed from the server. If you attempt to remove a Mailbox server with replicated mailbox databases from a DAG, the task fails.
There are scenarios in which you must remove a Mailbox server from a DAG before performing certain operations. These scenarios include:.
However, before you can perform the recovery operation, you must first remove the server from the DAG using the Remove-DatabaseAvailabilityGroupServer cmdlet with the ConfigurationOnly parameter. Removing the database availability group : There may be situations in which you need to remove a DAG for example, when disabling third-party replication mode.
If you attempt to remove a DAG that contains any members, the task fails. Witness server : The name of the server that you want to host the file share for the file share witness. We recommend that you specify a Client Access server as the witness server. This enables the system to automatically configure, secure, and use the share, as needed, and enables the messaging administrator to be aware of the availability of the witness server.
Witness directory : The name of a directory that will be used to store file share witness data. This directory will automatically be created by the system on the specified witness server. For detailed steps about how to configure DAG properties, see Configure database availability group properties. DAGs support the use of encryption by leveraging the encryption capabilities of the Windows Server operating system. DAGs use Kerberos authentication between Exchange servers.
Microsoft Kerberos SSP supports multiple encryption algorithms. For the complete list, see section 3. For details, see HMAC. The possible encryption settings for DAG network communications are shown in the following table. DAGs support built-in compression. The possible compression settings for DAG network communications are shown in the following table. In a single network adapter configuration, the network is used for both MAPI and replication traffic. Although a single network adapter and path is supported, we recommend that each DAG have a minimum of two DAG networks.
In a two-network configuration, one network is typically dedicated for replication traffic, and the other network is used primarily for MAPI traffic. When using multiple replication networks, there's no way to specify an order of precedence for network use.
Exchange randomly selects a replication network from the group of replication networks to use for log shipping. In Exchange , manual configuration of DAG networks was necessary in many scenarios. By default, in later versions of Exchange, DAG networks are automatically configured by the system.
Before you can create or modify DAG networks, you must first enable manual DAG network control by running the following command:. For detailed steps about how to create a DAG network, see Create a database availability group network. For detailed steps about how to configure DAG network properties, see Configure database availability group network properties.
Each DAG network has required and optional parameters to configure:. Network description : An optional description for the DAG network of up to characters. When all configured replication networks are offline, failed, or otherwise unavailable, and only the MAPI network remains which is configured as disabled for replication , the system uses the MAPI network for replication.
Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. Sign in to vote. We are testing an inter-org migration from two Exchahge forests to a new Exchange forest. So far, so good. However, I'm testing the interorg replication tool to do the public folder replication and I'm having problems. Here is the situation. I have been testing with only one of the "old" forests so far:.
The old forest contains a single domain called OLD. I have created a user called pfmigrate with a mailbox on the Exchange export server. All relevant public folders are replicated to the export server and I have given pfmigrate owner permissions to all of the public folders.
An ExchsyncSecurityFolder has been created with the correct permissions. The new forest contains a single domain called NEW. An IIS server on the same server. Stop the IIS website and change the port from 80 to 81 just in case someone starts it up again.
The assumption here is that IIS is not required for any purpose. For example, if a Web Listener is listening on port 80 on the Internal interface, then you will not be able to publish WPAD on port Another third party service is listening on port A firewall may exist between the client and the TMG server.
If you are able to download the WPAD. VPN clients will also receive an internal IP address. This means clients will be unable to connect to the Internet. Check the WPAD. The workarounds are as follows: - 1. Use a static pool for VPN clients instead. This means the IP addresses are not in the internal IP address range. Maintain the WPAD. This is the script that needs to be run on the TMG server. It causes the firewall service to restart shortly after the script is run. This script has been tested by us and confirmed to resolve the issue.
Quit End If oWebProxy. Save true WScript. Friday, October 15, Troubleshooting. Labels: Technical , troubleshooting. Outlook client does not display attachments There are a number of reasons why this might be the case.
An issue was resolved by Microsoft in Exchange Service Pack 1 where Exchange was incorrectly causing Outlook to hide inline attachments. Even though you could not see the attachment, if you flagged the email, or clicked forward on the email, the attachment would appear correctly.
Also if you selected Save attachments from the file menu, it would still save the attachments. OWA is not affected by this. Outlook blocks the attachment completely and there is no way to retrieve it through this interface. This is also more likely to happen when an inhouse application has been programmed to send email with attachments.
As there is no reference to the attachment in the body, it will then effectively be ignored. OWA has more smarts and is able to determine if an attachment is really inline or not. If it finds no reference to the attachment in the body of the email then it displays the attachment as a separate entity. Friday, July 9, Exchange 20xx: Autodiscover and availability Issues. You receive the message: Allow this website to configure server settings? You test e-mail autoconfiguration and it fails for no apparent reason.
Troubleshooting autodiscover messages: Use testexchangeconnectivity. It is there to help you find out if problems exist in Exchange client access from the Internet. If the user's primary email address is domain1. This can fix a number of issues and also fixes an issue where the e-mail autoconfiguration autodiscover test errors out with 0x immediately after a line where it appears to succeed returns a response. Check whether the workstation is joined to the domain.
This can determine the status of password storage and determine how you go about troubleshooting this issue. Check the user account credentials stored in the Windows profile. If credentials are stored for Exchange and yet the password has been updated since, you may get a series of password prompts and possibly autodiscover prompts appearing.
Authentication on web services and autodiscover virtual directories can affect autodiscover Another issue that may occur if autodiscover is receiving errors 0x and Out of Office is returning an error "the server is unavailable". For example, Test-OutlookWebServices -id:user1 mydomain. Verify Configuration Ensure you have configured the following: - - Configure your internal URLs for all virtual directories.
These should be automatically configured as the server name. These should be trusted by clients. Thursday, July 8, What would I have on my computer? Net Framework.
If you cannot access the server in normal mode, you will need to use a hacking tool to reset the DSRM password on that server. Outlook Outlook prompting for password issue. Symptoms: Outlook clients are prompting for password when connecting to Exchange Possible solutions if affecting single users: Open the profile settings and make sure there is no checkbox in "Always prompt for user name and password" on the Security tab Check credential manager.
It may be storing an incorrect password for the user and Outlook may be using this to connect to Exchange. Run control userpasswords2. On the Advanced tab, select "Manage Passwords". Remove any entries to the Exchange server. Alternatively, erase the server name and enter "S1" or the simple name of your global catalog server and leave the password blank.
If prompted again, enter your username and password and check off "remember my password" one last time and it should not prompt again. Try typing in the username by including the domain name. This has been known to resolve the issue. When the test is completed, view the XML results. Check that the autodiscover URLs are in the proxy exceptions list. When you have deleted the protect folder, restart Outlook. You will be requested to enter your password again, but it will be the last time.
Check that an Internet security product is not blocking a port. Possible solutions if affecting a large number of people: Open IIS on theExchange server and checked the following directories under the default website: the root site, oab, autodiscover.
Under the directory security tab, click Edit in the Secure Communications section. If you have "require SSL" checked and the bit encryption, but under Client Certificates, it is set to ignore, then this may be the problem. Change this to "Accept" for each of the folders and restart IIS. This may not be a satisfactory solution for everyone.
Do an iisreset and test again. Make sure integrated security is enabled on the virtual directories where required. Ensure Offline Address Book has been migrated to Exchange Look at the properties of the autodiscover virtual directory and ensure a version of ASP is selected. If none is selected, clients may be prompted for password. Ensure Windows authentication is enabled on the Autodiscover virtual directory. Labels: Client issues , Exchange , outlook , Technical. Wednesday, June 30, Outlook: Outlook Signature is corrupted.
Symptoms: Any text that is not bold would turn out bold when creating a new email, and visa versa. The following steps did not resolve the issue: Creating a new Outlook profile or creating a new signature. Outlook can be configured to use Word as the text editor for new emails.
This means that the normal. If the signature is doing something funny when you go to create a new text file, it will most likely be an issue with this file.
Resolution: Close all office programs. Rename normal. Start Outlook again and create a new email. The issue should now be resolved.
Note: This may cause a Word instance to appear in the background. Close Outlook, start Word, close Word, start Outlook. This has resolved this issue. Labels: Email signature , normal. This article lists many of the ways in which you can troubleshoot an issue with the Outlook offline mail file.
This file is often refered to as an OST. Determine more about the issue: Record the error messages that are appearing. An error at the beginning that asks if you would like to start in online or offline mode indicates that Outlook believes there is a discrepancy between the information in the OST and the mailbox. Record the steps taken in order to receive the error condition. In some cases, the computer has to be shutdown, disconnected from the network and restarted before the OST issue will reveal itself.
Have the user log onto another computer and perform the tests using the same version of Windows and Office if possible. Create a new test user with mailbox on the computer where the fault occurs, and see if the same issues occur. Create a new profile and at the same time, change the location of the OST. Remove this and replace with a real path instead, as well as setting a name for the OST that does not already exist in that location. When it asks to create a new OST, click Yes.
Finish the profile creation and set it to open when Outlook is next opened. The error message should generally be resolved by this step.
Shutdown Outlook and rename the OST file. Restart Outlook and check if the issue reoccurs. Note: If the user has been writing to their OST and it has not been synchronised to the server, you will lose this information. Try to determine first if this is the case. Create a new Outlook profile. If the user is running Outlook , you may try upgrading to Office Try performing an uninstall and reinstall of Office.
This has been proven to not resolve some OST issues. Empty out the deleted items folder. Deleted items may have become corrupted or too large. Remove any delegates on the mailbox. Export any inbox rules and then delete what is there. Rules can become corrupted. These can be re-imported when testing is complete.
Right click on a folder in Outlook and select properties. Select the synchronisation tab and check if the folder has synchronised successfully. If the synchronisation tab is not available then you may not be in cached mode. See KB Replace the Exchange server service support files for Outlook. In Offce you should rename emsabp Try running the OSTScan tool to check for corruption. Run without the automatic repair first.
It will create a report in the deleted items folder. Check the report for issues. Rerun the tool in repair mode if required. This is how to tether your iPhone to make it act as a gateway to the Internet for your PC or laptop. You will need to put the PIN in on the iPhone when requested. Note: No need to add drivers if required. Just cancel this dialog box. Access the Internet!! Labels: bluetooth , iAP , internet tethering , iPhone , Technical. Powershell: Waiting for input from the keyboard.
This code waits for a keyboard press. It passes back the character that is pressed, and you can then enact scripts based on the key pressed. Labels: Batch files , powershell , ReadKey , Technical. Script is below. This script can be modified to work with almost anything. What it demonstrates is reading from a spreadsheet and enacting commands against the data. Labels: Exchange , powershell , Technical. Absense of this record will make other mail systems more likely to reject mail or classify it as spam.
Issues with scanning to email If you are scanning mail to your inbox but it is not arriving, or other email is not arriving consistently: Check if other people are able to receive mail from the scanner Find the IP address and name of the scanner, and try to manage it remotely through HTTP or HTTPS Check junk email folder. If they are going into junk email, add the scanner "from" address to the safe senders list on the Outlook client. Issue sending to Exchange distribution lists from external If you are sending to a distribution list that is hosted in Exchange and you sending from external, you may receive the following very helpful error messages: - Your message wasn't delivered because of security policies.
Microsoft Exchange will not try to redeliver this message for you. Please provide the following diagnostic text to your system administrator. AuthRequired; authentication required rfc;travnatad smtpex. Download the freeware "OutlookTools" which shows information about your Outlook installation and allows you to empty Outlook temporary folders, run scanpst, scanost, set startup switches, configure Desktop Alert, modify list of blocked attachments and so forth.
Try uninstalling and reinstalling Outlook. Resolutions: Most commonly this is because the entry in the nickname cache has become corrupted. Simply delete the cached entry from the list when it appears. Another reason might be that the personal distribution list has become corrupted. Try renaming the distribution list, which may resolve the issue.
Also try recreating the distribution list. Resolutions: Issue is most likely that the delegates have been corrupted on the resource mailbox. Open the resource mailbox in question. Remove the delegates and save the changes.
Readd the delegates again with the required permissions. This should resolve the issue. Check Rules and Alerts for any rules that may be forwarding meeting requests. This can cause an email to be returned to the sender that says the email was forwarded to such and such. PSS says this can occur if multiple people directly update a calendar at roughly the same time. PSS says users should not be directly updating calendars in resources, but through meeting requests. To resolve, change a resource scheduling parameter from Outlook.
For instance, uncheck "Decline conflicting meeting requests". As per MS KB , try adding the user back in as a delegate, and try to add the same permissions as they previously had. If the original delegate has been removed, try adding another user instead. Restart Outlook. Clear the "Send meeting requests and responses only to my delegates, not to me" Remove the delegate that you previously added.
Send a meeting request and check if the problem is resolved. If using Exchange 5. Download mdbvu Create an online profile in Outlook. Double click the mailbox name. In the left hand pane, expand root container then Top of Information Store. Right click the Inbox and select Display Rules Table Copy and paste the contents to notepad and do a search for the ghost delegate.
This will disable all delegates and they will need to be readded to Outlook.
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