ProtocolVersion : 1.1 $certEffectiveDate = $req.ServicePoint.Certificate.GetEffectiveDateString() Providing values > 30 years (922752000) to -checkend causes the option to behave unexpectedly (returns 0 even though certificate would expire during this timeframe). However, sometimes automatic certificate renewal fails. ) Today he runs the German publication, Check all Windows Servers for expiring certificates using PowerShell, Microsoft Lists: Smart information tracking, Finding nested Active Directory groups faster with PowerShell. Aliases are fine when passing a command line, but it is not recommended to use them in scripts. Does Counterspell prevent from any further spells being cast on a given turn? If I have the actual file and a Bash shell in Mac or Linux, how can I query the cert file for when it will expire? If the thumbprint is not known to you, we can use the friendly name. Copy/Paste Not Working in Remote Desktop (RDP) Clipboard. This can be done with a PowerShell script. An SSL certificate helps to secure the communication between a client (such as a web browser) and a server (such as a website). With the help of a relatively simple script, all servers can be scanned for certificates that will soon reach their expiration date. 4sysops members can earn and read without ads! A lot of organizations have multiple websites and multiple subdomains with an SSL Certificate assigned. Upon finding the certificates that have an expiration date of less than 75 days in the future, I send the results to the Select-Object cmdlet, where I choose the thumbprint and the subject. Windows ships with expired certificates because certain executables that have been signed with a certificate, but have not been resigned with a new certificate, need the old certificate to ensure the validity of the certificate. An unexpected expiration of a server certificate can cause a number of problems for your users and customers: they may not be able to establish a secure connection with your site, authentication errors may occur, annoying notifications may appear in a browser, etc. Replace CertificateStoreName with the certificate folder name and Serial Number with the serial number of the certificate. Managing Inbox Rules in Exchange with PowerShell. i.e. See ourCookies policyfor more information. Below is filter applied in the Script to choose only the important Certificate Templates you want to be alerted and If needed you could also modify the duration for Certificate expiry from 30 days to a duration of your choice. ', $CCAddress = 'emailaddress@domainname.com', Send-MailMessage -From $FromAddress -To $ToAddress -Cc $CCAddress -Subject $MessageSubject -Body $Emailbody -BodyAsHtml -SmtpServer $SendingServer -Port $SmtpServerPort, # --------------------------------------------------,
