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Title
After applying 20150630EX or later Hot Fix - MAgE will not stay running and Mail or Calendar Synchronization is not functioning. -
Description
After installing a Hot Fix for Quest Migration Manager for Exchange of version 20150630 or higher. Then performing a repair on the Migration Agent for Exchange as per the "How to Install this Update" section of the readme document, the following errors are seen:
2015-12-04 05:32:32.7925 Px1260 TxA A92 C- M- Error System.TypeLoadException: Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
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Cause
As of the 20150630EX Hot Fix, the requirement to install (update) .NET Framework version 4.5 now exists. If this step is omitted, the symptoms mentioned and errors seen in the Problem Description of this article will be present. -
Resolution
Stop any running MAgE instances, install .NET Framework version 4.5 on all hosts running Migration Agent for Exchange (MAgE) and then perform another repair of MAgE.