Wij hebben enkele klanten met problemen waarbij de third-party USB-C dock niet meer werkt wat lijkt te komen door een Windows Update. HP Tijdelijke oplossing bij HP lijkt een reset uit te voeren. Het kan zijn dat je bij beeldscherm instellingen het dupliceren/uitbreiden weer aan dient te zetten. Lenovo Voor Lenovo zijn we nog uitgebreid …
Categorie: Troubleshooting
Server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none
Bij het proberen te updaten van Proxmox 5 (Debian 8 gebasseerd) geeft deze de volgende foutmelding:Server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none Dit komt omdat het root certificaat van Letsencrypt verlopen is op 30 september 2021. De oplossing hiervoor is als volgt: Open (bijvoorbeeld met nano) /etc/ca-certificates.conf en zet een ! voor /mozilla/DST_Root_CA_X3.crt update …
Remote Server returned ‘550 5.7.520 Access denied, Your organization does not allow external forwarding. Please contact your administrator for further assistance. AS(7555)’
When trying to use external forwarding on a Shared Mailbox: user@domain.tldRemote Server returned ‘550 5.7.520 Access denied, Your organization does not allow external forwarding. Please contact your administrator for further assistance. AS(7555)’ Go to: https://protection.office.com/antispam Create policy -> Outbound -> user@domain.tld -> Forwarding is enabled.
The command you tried to run isn’t currently allowed in your organization. To run this command, you first need to run the command: Enable-OrganizationCustomization
When trying to add an anti-spam policy in O365 Security Portal the following message occurs: All the customers where we already added anti-spam policies without this message used Azure AD Connect, I think this activates the OrganizationCustomization option. On Windows 10, open elevated Powershell: Install-Module -Name ExchangeOnlineManagement Import-Module ExchangeOnlineManagement Connect-ExchangeOnline -UserPrincipalName user@domain.tld Enable-OrganizationCustomization Just one …
“Symantec Endpoint Protection has detected that there are pending system changes that require a reboot. Please reboot the system and rerun the installation.”
When trying to install Symantec Endpoint Security the following error may show up: “Symantec Endpoint Protection has detected that there are pending system changes that require a reboot. Please reboot the system and rerun the installation.” The first step would be to reboot, but sometimes this is not possible because of important system services, or …
Another service operation is currently in progress
When trying to install Symantec Endpoint Protection the following error may popup: “Aanother service operation is currently in progress” Try a reboot first, if not possible or problem still exists, try the following: Open Windows Registry Editor. Click Start > Run, type regedit, and click OK. Back up the registry. Note: For Windows Registry backup and restore instructions, see How to back …
Default passwords
Below we will publish default passwords we encounter. General (vendor): 3Com: admin/admin Belkin: admin/admin BenQ: admin/admin Grandstream: admin/admin D-Link: admin/admin Digicom: user/password or admin/michelangelo Linksys: admin/admin Netgear: admin/password Sitecom: sitecom/admin Thomson: user/user US Robotics: admin/admin Zebra: admin/1234 Specific (device): Brother MFC-L9570CDW: initpass Brother LP844: admin/1234 Panasonic KX-UT133NE: admin/adminpass
Change network interface on FreeNAS Jail
Today we created a jail on our FreeNAS Server to compile a driver. By default the jail got a IP Address from our management network and there was no GUI option to change the network interface. We did the following: 1. Stop the jail. 2. SSH to FreeNAS server. 3. cd to /mnt/<dataset>/jails/.<jailname> 4. echo …
Proxmox storage offline due to DNS issues
So today we encountered the error “pvestatd[1446]: storage ‘<storagename>’is not online”. After some trial and error the problem happened because the FreeNAS server where Proxmox was trying to mount the storage from had no working DNS server.