Skip to content

Category «Windows»

Granting folder permissions to IIS application pools

Whenever a new application pool is created, IIS creates a security identifier (SID) that represents the name of the application pool itself. For example, if you create an application pool with the name “Smartcrypt,” a security identifier with the name “Smartcrypt” is created in Windows. Resources can be secured by using this identity. However, the …

Remove DFS link

This link was in fact an NTFS reparse point. Using the “fsutil” command solved the problem. For example, in the case of an reparse point located at “C:\$Recycle.bin\S-1521\x\y\z\Documents”, you must: 1- Open the command prompt in administrator mode 2- go to the folder containing the link (for example “C:\$Recycle.bin\S-1521\x\y\z\”) 3- fsutil reparsepoint query (eg: “fsutil …

TLS and NPS

Looks like NPS only supports TLS1.0 by default. So if you go restricting your ciphers too much you’ll find none of your NPS clients able to connect using EAP. That’s a bit of a problem when you have an 802.1x secure network and every client is expected to authenticate. If a cipher is not available on …

Windows cannot access the specified device, path or file.

On Windows 2019 you can get this error trying to opening some setting. To resolve please run gpedit.msc to open Group Policy Editor, then switch to Computer Configuration—> Windows Settings—> Security Settings —> Local Policies—> Security Options, then enable “User Account Control: Admin Approval Mode for the Built-in Administrator account”. After all restart Windows to …

Server 2012/2016/2019 Deduplication Data – how check save data

If you have a file server and you want get know how much data  you will be able save if  migrate to Server 2012 , copy from Windows Server 2012  from path c:\windows\system32\ you will found  tool ddpeval.exe This tool only show you, how much data You will be able to save. This tool does not deduplicate ! …

Fixing Office 365 DirSync account matching issues

Recently I had to fix some issues with DirSync. For some reason (there were some cloud users created before DirSync was enabled) there were duplicate users, because DirSync failed to match the already present cloud user and the corresponding AD (Active Directory) user. There were also accounts that failed to sync and thus failed to …