SSL and TLS v1.0 were the earlier encrypted protocols to deliver secure content over the Internet. They have now been superseded by SSL 2.0 and SSL 3.0 & TLS v1.1 and v1.2. TLS is now the de facto secure encryption protocol In Windows – all TLS versions are enabled by default. To Disable (or Enable) these protocols you can use a tool called IISCrypto ( URL) The above shows TLS 1.0 disabled and both 1.1 […]
Category: Microsoft
IIS – unable to start website. Port in use; how to determine app using port
Checking IIS and see that the Default Site (Appserver) will not start. Try to start produces an error. Error is shown in IIS as The process cannot access the file because it is being used by another process (Exception from HSRESULT: 0x80070020) Also in Windows System logs as Error 1004 – IIS-W3SVC service did not register URL with prefix “http://*.*:80” To check which application is using the port (in this case Port 80) In the […]
SQL Version Numbers
Build number SQL version 10.xx SQL 2008/2008R2 11.xx SQL 2012 12.xx SQL 2014 13.xx SQL 2016 14.xx SQL 2017
Upgrading Exchange Server
When upgrading the Exchange server we can come across this error. Error: The following error was generated when “$error.Clear(); $name = [Microsoft.Exchange.Management.RecipientTasks.EnableMailbox]::DiscoveryMailboxUniqueName; $dispname = [Microsoft.Exchange.Management.RecipientTasks.EnableMailbox]::DiscoveryMailboxDisplayName; $dismbx = get-mailbox -Filter {name -eq $name} -IgnoreDefaultScope -resultSize 1; if( $dismbx -ne $null) { $srvname = $dismbx.ServerName; if( $dismbx.Database -ne $null -and $RoleFqdnOrName -like “$srvname.*” ) { Write-ExchangeSetupLog -info “Setup DiscoverySearchMailbox Permission.”; $mountedMdb = get-mailboxdatabase $dismbx.Database -status | where { $_.Mounted -eq $true }; if( $mountedMdb -eq $null […]
Exchange 2013 – Disable or delete a mailbox
Applies to: Exchange Server 2013 SP1 Topic Last Modified: 2015-03-09 You can use the EAC or the Shell to disable or delete a mailbox in Exchange 2013. When a mailbox is disabled or deleted, Exchange retains the mailbox in the mailbox database and switches the mailbox to a disabled state. Disabled and deleted mailboxes are retained in the mailbox database until the deleted mailbox retention period expires, which is 30 days by default. After the retention period […]
Windows Command Prompt – Useful Commands
Dir /s file.nme Searches sub-directories Dir /s /a file.nme Searches sub-directories and hidden directories Dir /s /a “file.nme”>”Path\ResultFilename” Saves results to a text file
Windows Server 2012 – Resetting the Administrator Password
Requirement Windows 2012 (whatever version) installation CD/DVD To reset the password on your Windows 2012 server complete the following steps:- Boot from the Microsoft Windows Server 2012 DVD From the Windows Setup menu, click Next Select Repair your Computer Under Choose and Option click “Command Prompt” At the command prompt type ren d: \windows\system32\utilman.exe utilman.old Enter Then type copy \windows\system32\cmd.exe d:\windows\system32\utilman.exe Enter Close the command prompt and click Continue The server should now reboot and […]
Remote Desktop Authentication Error
Recent Windows 10 / Server 2013 updates are enforcing Network Level Authenticated only for users making RDP connections. This will throw up the error prompt:- To resolve – uncheck the following in the System Properties, Remote Desktop tab on the client machine
Outlook Address Book Entries – AD & Exchange Propagation Times
When creating a new Security or Distribution group the entry will only be propagated to the Outlook Offline Address Book (OAB) at the operating system or application default sync times Exchange regenerates the OAB – default generation schedule: 24 hours Outlook downloads the OAB – default update schedule: 24 hours So in a worse case it can take up to 48 hours before a user can see a new group in their address book To Force […]
Deleted Delegates Still Receive Meeting Invites for Other Mailbox Users
A bug in Outlook causes a delegate who has been removed from a shared Calendar to continue to receive Calendar notifications – even though he does not appear on the delegate list or in any Rules & Alerts. This is because the rule in invisible – so you cannot see it in Outlook. Resolution Note that this deletes all delegates so you will need to add them again. Also note that some say you can […]