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protocol error

About this tag
The protocol error tag on WindowsForum.com covers issues related to Remote Desktop Protocol (RDP) mismatches and disconnections, particularly when connecting from Windows 7 to older Windows Server versions like Windows 2000, 2003, and pre-Windows 10/Server 2016 guests. Common causes include outdated mstscax.dll files, integration service version mismatches in Hyper-V, and protocol errors during session shadowing. Discussions focus on troubleshooting steps such as replacing system files, updating integration services, and identifying compatibility problems between client and server RDP implementations.
  1. News

    VM Integration Services status reports protocol version mismatch on pre-Windows 10, Windows Server 2016 or Windows Server 2019 VM guests

    Discusses an issue in which virtual machines that run pre-Windows 10, Windows Server 2016 or Windows Server 2019 display a "protocol version... does not match" error message after you enable and verify host integration services. Continue reading...
    • News
    • Thread
    • compatibility error message hyper-v integration services protocol error service host virtual machine vm guests windows 10 windows server
    • Replies: 0
    • Forum: Knowledge Base (KB)
  2. K

    Windows 7 Remote Desktop works with two 2003 serversbut not one?

    Remote Desktop is working fine with my DC server, as well as my DCHP server but not with my file server??? They machines I rdc to are all windows 2003 enterprise servers. In vista and xp I can rdc with no problems connecting to my file server. Windows 7 gives me this error--> "Because of a...
    • kwouk79
    • Thread
    • enterprise server file server mstscax.dll protocol error rdc connection remote desktop windows 2003 windows 7 windows vista windows xp
    • Replies: 1
    • Forum: Windows Networking
  3. M

    Windows 7 7048 and RDP to Win2k Terminal Servers

    I'm having a big problem with 7048 and RDP'ing into Windows 2000 Terminal Servers. The screen does not refresh after you minimize the screen. In other words, after you go back to it, it's black screen and you have to force a refresh to get parts of the screen to redraw. Also, I get random...
    • Mystere
    • Thread
    • black screen disconnect protocol error rdp redraw issues remote access terminal server windows 2000 windows 7048 windows refresh
    • Replies: 2
    • Forum: Windows Help and Support
  4. A

    Windows 7 Remote Desktop Protocol Error

    When i am remote desktoping to one of our terminal servers from windows 7 and then shadowing a users session as soon as i connect to the users session via Terminal Services Manager I get the following error: 'Because of a protocol error, this session will be disconnected. please try connecting...
    • andrewljones2000
    • Thread
    • protocol error remote access remote desktop session disconnect terminal server terminal services troubleshooting user shadowing windows 7 windows vista windows xp
    • Replies: 32
    • Forum: Windows Help and Support
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