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Posts published in “Archives: Troubleshooting”

Kemp: solve the problem of mixed content

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If you use Kemp to dump to pass an internet site in HTTPS, it is possible that part of the content of the site (images, css, js) does not appear, the browser returns a Mixed Content error, it means that calls to resources are made in HTTP. To solve this problem, one must make a rule that will rewrite the…

Remote Desktop: CredSSP Error

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When connected in Remote Desktop, the following error is displayed: An authentication error has occurred. The requested function is not supported Remote computer: IP or FQDN The problem may be due to a CredSSP encryption oracle fix To solve there are several solutions. Solution 1: Disable NLA Authentication On the server where the connection must be established disable 1 NLA…


Delete a backup control point in Hyper-V without a delete option

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It happens in Hyper-V that a third-party software (backup) create a control point that is not possible to delete through the GUI. You have to switch to PowerShell to delete the control point. 1. Open a PowerShell administrator window and enter the following command to display the snapshots. This should display the control points of the virtual machine. 2. Enter…

Windows Cluster change the IP owner

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In some situations, it may be necessary to change the owner of the IP address carried by a Windows cluster. Example: on an Exchange DAG if the cluster ip is used for connections to Outlook, SMTP … 1. Open a PowerShell window as an administrator. 2. Import the administration module if necessary. 3. Enter the following command to identify the…

IIS pac and dat files for proxy configuration

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By default, IIS does not issue files with .dat and .pac extensions for automatic proxy configuration. If we try to attach to retrieve the file a 404 error page is displayed. Allow proxy configuration files You must declare MIME Types on the IIS server. 1. Open the console, go to server 1 and click on MIME types 2 . 2.…

Exchange : Fix Index Issues

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Symptom In the ECP interface, the index status of the database is failing. The Get-MailboxDatabaseCopyStatus command returns the ContentIndexState Fail or FailedAndSuspended field. Solution 1. Stop the MSExchangeFastSearch and HostControllerService services. Stop-Service MSExchangeFastSearch Stop-Service HostControllerService 2. Open the Windows Explorer and go to the folder where the database file is stored. Delete the folder {guid] .single 1 . 3. Restart…

Resolve temporary profile issues on RDS / TSE remote desktops

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Context For multiple and often unknown reasons, users are connected to their session on a temporary profile. The user does not find his settings including the Outlook profile. All that is stored in the folder C:\Users\TEMP is not saved when they log off. If you apply a folder redirection GPO (desktop / documents …), the files and folders modified in…

Exchange: email rejected by Gmail

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Symptom Emails sent to GMAIL recipients do not receive emails. You receive a return message of this type: Our system has detected that this message does not meet IPv6 sending guidelines regarding PTR records and authentication Cause This problem is related to IPv6, the message header contains an IPv6 address and Gmail attempts to authenticate the shipping address. Solutions Solution…