Lync Deployment Wizard fails – Input string was not in the correct format

The Problem
When Running the Lync Server Deployment Wizard – Install oe Update Lync Server System – Step 2: Setup or Remove Lync Server Components I get an error immediately after Disabling unused roles

The Error
Input string was not in the correct format

at System.Text.StringBuilder.AppendFormat(IFormatProvider provider, String format, Object[] args)
at System.String.Format(IFormatProvider provider, String format, Object[] args)
at Microsoft.Rtc.Internal.Tools.Bootstrapper.BootstrapperTask.OutStatusLine(String format, Object[] args)
at Microsoft.Rtc.Internal.Tools.Bootstrapper.BootstrapperTask.DeactivateRemovedRoles()
at Microsoft.Rtc.Management.Internal.Utilities.LogWriter.InvokeAndLog(Action action)

The Culprit
This turned out to be the Lync Admin account, I couldn’t find any evidance pointing me to the cause other than a feeling of discomfort with the format of the Lync Admin User account name.
The Lync Admin account was similar to this:

Couldn’t find any documentation saying the curly brackets may be an issue, but tried with an account that had a simpler format and the required permissions and tada…

The Solution
Initially I had the account renamed to something like LyncAdmin but it still misbehaved, recreating the account without curly brackets did the trick


About Paul B

My name is Paul Bloem and I am employed at Lexel Systems in New Zealand as a Principal Consultant for Unified Communications. I have been working on enterprise voice solutions for over 20 years. My first 10 years were spent working for a Telco in South Africa (Telcom SA). This is where all the groundwork happened as I was exposed to just about every aspect of telecommunication you could imagine. I develop an interest in PBX technologies and eventually became the go-to guy. Next, I had a 10 year run at Siemens South Africa, most of my time there was as a Technical Trainer. During this time VoIP hit the world stage, I had the privilege of introducing VoIP both as H.323 and later SIP across the Siemens HiPath 4000 solution stack. In 2008 I immigrated to New Zealand with my newly attained MCSE, I was ready to go where no PBX Techie had gone before. I was employed to explore OCS 2007 and that was pretty much the beginning of the end for me. I have been working on OCS and Lync ever since. My current role focuses exclusively on Lync and associated technologies.. That includes pre-sales, consulting, architecture and design, training and support. I even get to play in the development space from time to time - focus on play ;-) I was nominated as a Microsoft VTSP for Lync early in 2013 and also awarded Microsoft's MVP award for Lync in 2014.
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