Skype for Business: Fix “Cannot sign in because the server version is incompatible with Microsoft Lync” error

Skype for Business: Fix “Cannot sign in because the server version is

incompatible with Microsoft Lync” error

The basic and first question that arises is that: What is Skype for Business

The idea of using Skype for business is very old and it’s use for business started very soon after it’s inception. There are many cases in which one organization or professionals from very far away want to collaborate with someone else or have a meeting to discuss things out. There is no way that either of those parties want the conversation to be compromised so here Skype comes in picture. It provides live video call with security to it’s users and also allows big companies to have conference meetings and discuss their propaganda through this virtual meetings. Thus Skype has been really a boon for business through which many deals have taken place. So these are the different uses of Skype and it’s variety of features which make Skype so popular.

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In 2014 Microsoft announced that their product named as Lync could be replaced by Skype for Business in 2015. They claimed that it would combine features of consumer Skype software which was their best feature and in April 15 Microsoft officially launched Skype for Business which gave Skype a bit of a shock. In September-October Skype for Business for Mac client was released which was an initiative by apple to make Skype compatible with their machines.

If you ever use your Skype for Business you might have noticed that your Lync client will automatically get upgraded to the latest version from itself without any hassle but if you are in a rather older Office Communication Server (OCS) version or an environment. Then this could cause an incompatibility problem and you might have to do it all by yourself but relax since you are at the right place. The error which you might get could be of following type: “Cannot sign in because the server version is incompatible with Microsoft Lync “. Contact your support team with this information. And specifically and fortunately for this most common problem there is a registry hack that will get you working again as smooth as before.

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Fix “Cannot sign in because the server version is incompatible with Microsoft Lync” error : Skype for Business

The usual simple and easy steps are as follows:-

Step 1) Select “Start” > “regedit” > and then press this keyword carefully which is “Enter”.
Step 2) Now all you have to do is to navigate to this path: HKEY_LOCAL_MACHINE / SOFTWARE / Policies / Microsoft / Office / 16.0 / Lync
Step 3) Thank me and enjoy since it is done

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So technically you need to add a Registry Key to tell your Microsoft Lync client to ignore the server compatibility check. Another similar but a slightly different approach would be:-

Step 1) Run regedit and for some mind blowing geniuses. (Open command prompt, type regedit)
Step 2) You now have to navigate to the path HKEY_CURRENT_USER > Software > Policies > Microsoft > Communicator.
Step 3) You now have to right-Click, Select New > DWORD (32-bit) Value.
Step 4) You now have to enter the Name exactly as “DisableServerCheck”.
Step 5) You now have to right click on the new Registry key you just created and select Modify.
Step 6) You now have to enter value data of 1 (Base = Hexadecimal).
Step 7) Click OK(again most difficult step among all the steps mentioned above).
Now when you attempt to sign in again you should be greeted with success which is completely yours.

Well there is no conclusion but all I can say is try to keep yourself updated and be safe and secure. Till then good day or night depending on when are you reading this article and keep sharing.

One Response

  1. Vinit

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